51418328 has 16 divisors (see below), whose sum is σ = 103825680. Its totient is φ = 23731488.

The previous prime is 51418273. The next prime is 51418331. The reversal of 51418328 is 82381415.

It is a junction number, because it is equal to n+sod(n) for n = 51418294 and 51418303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247100 + ... + 247307.

It is an arithmetic number, because the mean of its divisors is an integer number (6489105).

Almost surely, 2^51418328 is an apocalyptic number.

It is an amenable number.

51418328 is an abundant number, since it is smaller than the sum of its proper divisors (52407352).

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

51418328 is a wasteful number, since it uses less digits than its factorization.

51418328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494426 (or 494422 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 51418328 is about 7170.6574315051. The cubic root of 51418328 is about 371.8541649038.

The spelling of 51418328 in words is "fifty-one million, four hundred eighteen thousand, three hundred twenty-eight".