51432513042 has 8 divisors (see below), whose sum is σ = 102865026096. Its totient is φ = 17144171012.

The previous prime is 51432513007. The next prime is 51432513047. The reversal of 51432513042 is 24031523415.

It is a sphenic number, since it is the product of 3 distinct primes.

51432513042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51432513047) 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, 4286042748 + ... + 4286042759.

It is an arithmetic number, because the mean of its divisors is an integer number (12858128262).

Almost surely, 2^51432513042 is an apocalyptic number.

51432513042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51432513042 is a wasteful number, since it uses less digits than its factorization.

51432513042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572085512.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 51432513042 in words is "fifty-one billion, four hundred thirty-two million, five hundred thirteen thousand, forty-two".