551354454 has 48 divisors (see below), whose sum is σ = 1374347520. Its totient is φ = 156481200.

The previous prime is 551354431. The next prime is 551354477. The reversal of 551354454 is 454453155.

551354454 is a `hidden beast` number, since 55 + 13 + 544 + 54 = 666.

It is an interprime number because it is at equal distance from previous prime (551354431) and next prime (551354477).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4537 + ... + 33515.

It is an arithmetic number, because the mean of its divisors is an integer number (28632240).

Almost surely, 2^551354454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551354454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687173760).

551354454 is an abundant number, since it is smaller than the sum of its proper divisors (822993066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551354454 is a wasteful number, since it uses less digits than its factorization.

551354454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29145 (or 29142 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 551354454 is about 23480.9380988069. The cubic root of 551354454 is about 819.9932846961.

The spelling of 551354454 in words is "five hundred fifty-one million, three hundred fifty-four thousand, four hundred fifty-four".