51886792925 has 24 divisors (see below), whose sum is σ = 70302300960. Its totient is φ = 37674763200.

The previous prime is 51886792921. The next prime is 51886792931. The reversal of 51886792925 is 52929768815.

It is not a de Polignac number, because 51886792925 - 2² = 51886792921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51886792921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17819 + ... + 322631.

It is an arithmetic number, because the mean of its divisors is an integer number (2929262540).

Almost surely, 2^51886792925 is an apocalyptic number.

51886792925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51886792925 is a deficient number, since it is larger than the sum of its proper divisors (18415508035).

51886792925 is a wasteful number, since it uses less digits than its factorization.

51886792925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305453 (or 305448 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 62.

The spelling of 51886792925 in words is "fifty-one billion, eight hundred eighty-six million, seven hundred ninety-two thousand, nine hundred twenty-five".