51534702352 has 40 divisors (see below), whose sum is σ = 114201815616. Its totient is φ = 22069024896.

The previous prime is 51534702347. The next prime is 51534702391. The reversal of 51534702352 is 25320743515.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35623 + ... + 323014.

Almost surely, 2^51534702352 is an apocalyptic number.

It is an amenable number.

51534702352 is an abundant number, since it is smaller than the sum of its proper divisors (62667113264).

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

51534702352 is a wasteful number, since it uses less digits than its factorization.

51534702352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359935 (or 359929 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 51534702352 in words is "fifty-one billion, five hundred thirty-four million, seven hundred two thousand, three hundred fifty-two".