51032856 has 32 divisors (see below), whose sum is σ = 145808640. Its totient is φ = 14580768.

The previous prime is 51032809. The next prime is 51032887. The reversal of 51032856 is 65823015.

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 7 ways as a sum of consecutive naturals, for example, 151716 + ... + 152051.

It is an arithmetic number, because the mean of its divisors is an integer number (4556520).

Almost surely, 2^51032856 is an apocalyptic number.

51032856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51032856 is an abundant number, since it is smaller than the sum of its proper divisors (94775784).

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

51032856 is a wasteful number, since it uses less digits than its factorization.

51032856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303783 (or 303779 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 51032856 is about 7143.7284382877. The cubic root of 51032856 is about 370.9225965426.

The spelling of 51032856 in words is "fifty-one million, thirty-two thousand, eight hundred fifty-six".