51496506 has 16 divisors (see below), whose sum is σ = 114436800. Its totient is φ = 17165484.

The previous prime is 51496481. The next prime is 51496507. The reversal of 51496506 is 60569415.

51496506 is a `hidden beast` number, since 5 + 149 + 6 + 506 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51496507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476766 + ... + 476873.

It is an arithmetic number, because the mean of its divisors is an integer number (7152300).

Almost surely, 2^51496506 is an apocalyptic number.

51496506 is an abundant number, since it is smaller than the sum of its proper divisors (62940294).

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

51496506 is a wasteful number, since it uses less digits than its factorization.

51496506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953650 (or 953644 counting only the distinct ones).

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

The square root of 51496506 is about 7176.1066045593. The cubic root of 51496506 is about 372.0425289566.

It can be divided in two parts, 514 and 96506, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 51496506 in words is "fifty-one million, four hundred ninety-six thousand, five hundred six".