51193029625 has 16 divisors (see below), whose sum is σ = 63900645120. Its totient is φ = 40946895600.

The previous prime is 51193029599. The next prime is 51193029637. The reversal of 51193029625 is 52692039115.

It is not a de Polignac number, because 51193029625 - 2⁵ = 51193029593 is a prime.

It is a super-2 number, since 2×51193029625² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703186 + ... + 772564.

It is an arithmetic number, because the mean of its divisors is an integer number (3993790320).

Almost surely, 2^51193029625 is an apocalyptic number.

It is an amenable number.

51193029625 is a deficient number, since it is larger than the sum of its proper divisors (12707615495).

51193029625 is an equidigital number, since it uses as much as digits as its factorization.

51193029625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75297 (or 75287 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 51193029625 in words is "fifty-one billion, one hundred ninety-three million, twenty-nine thousand, six hundred twenty-five".