61554114 has 64 divisors (see below), whose sum is σ = 141926400. Its totient is φ = 19762704.

The previous prime is 61554107. The next prime is 61554121. The reversal of 61554114 is 41145516.

61554114 is a `hidden beast` number, since 615 + 5 + 41 + 1 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (61554107) and next prime (61554121).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200349 + ... + 200655.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 2^61554114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61554114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70963200).

61554114 is an abundant number, since it is smaller than the sum of its proper divisors (80372286).

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

61554114 is a wasteful number, since it uses less digits than its factorization.

61554114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 438 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 61554114 is about 7845.6429946818. The cubic root of 61554114 is about 394.8380770917.

The spelling of 61554114 in words is "sixty-one million, five hundred fifty-four thousand, one hundred fourteen".