51005255432 has 16 divisors (see below), whose sum is σ = 100668267600. Its totient is φ = 24160384080.

The previous prime is 51005255393. The next prime is 51005255437. The reversal of 51005255432 is 23455250015.

It is not an unprimeable number, because it can be changed into a prime (51005255437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167780294 + ... + 167780597.

It is an arithmetic number, because the mean of its divisors is an integer number (6291766725).

Almost surely, 2^51005255432 is an apocalyptic number.

It is an amenable number.

51005255432 is a deficient number, since it is larger than the sum of its proper divisors (49663012168).

51005255432 is a wasteful number, since it uses less digits than its factorization.

51005255432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335560916 (or 335560912 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 51005255432 in words is "fifty-one billion, five million, two hundred fifty-five thousand, four hundred thirty-two".