51381088532 has 12 divisors (see below), whose sum is σ = 90275141376. Its totient is φ = 25588191000.

The previous prime is 51381088511. The next prime is 51381088537. The reversal of 51381088532 is 23588018315.

51381088532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51381088537) 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, 25587188 + ... + 25589195.

It is an arithmetic number, because the mean of its divisors is an integer number (7522928448).

Almost surely, 2^51381088532 is an apocalyptic number.

It is an amenable number.

51381088532 is a deficient number, since it is larger than the sum of its proper divisors (38894052844).

51381088532 is a wasteful number, since it uses less digits than its factorization.

51381088532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51176638 (or 51176636 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 51381088532 in words is "fifty-one billion, three hundred eighty-one million, eighty-eight thousand, five hundred thirty-two".