51496560 has 140 divisors (see below), whose sum is σ = 179715432. Its totient is φ = 13716864.

The previous prime is 51496507. The next prime is 51496579. The reversal of 51496560 is 6569415.

51496560 is a `hidden beast` number, since 5 + 1 + 4 + 96 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 27 ways as a sum of consecutive naturals, for example, 57879 + ... + 58761.

Almost surely, 2^51496560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51496560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89857716).

51496560 is an abundant number, since it is smaller than the sum of its proper divisors (128218872).

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

51496560 is an equidigital number, since it uses as much as digits as its factorization.

51496560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 51496560 is about 7176.1103670443. The cubic root of 51496560 is about 372.0426589997.

The spelling of 51496560 in words is "fifty-one million, four hundred ninety-six thousand, five hundred sixty".