51434474952 has 32 divisors (see below), whose sum is σ = 146955643200. Its totient is φ = 14695564224.

The previous prime is 51434474921. The next prime is 51434474981. The reversal of 51434474952 is 25947443415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153078627 + ... + 153078962.

It is an arithmetic number, because the mean of its divisors is an integer number (4592363850).

Almost surely, 2^51434474952 is an apocalyptic number.

It is an amenable number.

51434474952 is an abundant number, since it is smaller than the sum of its proper divisors (95521168248).

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

51434474952 is a wasteful number, since it uses less digits than its factorization.

51434474952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306157605 (or 306157601 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The spelling of 51434474952 in words is "fifty-one billion, four hundred thirty-four million, four hundred seventy-four thousand, nine hundred fifty-two".