51896280 has 64 divisors (see below), whose sum is σ = 162466560. Its totient is φ = 13236608.

The previous prime is 51896269. The next prime is 51896329. The reversal of 51896280 is 8269815.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6642 + ... + 12161.

It is an arithmetic number, because the mean of its divisors is an integer number (2538540).

Almost surely, 2^51896280 is an apocalyptic number.

It is an amenable number.

51896280 is an abundant number, since it is smaller than the sum of its proper divisors (110570280).

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

51896280 is a wasteful number, since it uses less digits than its factorization.

51896280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18840 (or 18836 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 51896280 is about 7203.9072731400. The cubic root of 51896280 is about 373.0027863621.

The spelling of 51896280 in words is "fifty-one million, eight hundred ninety-six thousand, two hundred eighty".