51596478 has 24 divisors (see below), whose sum is σ = 112786128. Its totient is φ = 17045952.

The previous prime is 51596477. The next prime is 51596527. The reversal of 51596478 is 87469515.

51596478 is a `hidden beast` number, since 51 + 596 + 4 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51596477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10650 + ... + 14717.

It is an arithmetic number, because the mean of its divisors is an integer number (4699422).

Almost surely, 2^51596478 is an apocalyptic number.

51596478 is an abundant number, since it is smaller than the sum of its proper divisors (61189650).

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

51596478 is a wasteful number, since it uses less digits than its factorization.

51596478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25488 (or 25485 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 51596478 is about 7183.0688427719. The cubic root of 51596478 is about 372.2831264647.

The spelling of 51596478 in words is "fifty-one million, five hundred ninety-six thousand, four hundred seventy-eight".