51555142915376 has 20 divisors (see below), whose sum is σ = 101294963899344. Its totient is φ = 25414507070400.

The previous prime is 51555142915363. The next prime is 51555142915379. The reversal of 51555142915376 is 67351924155515.

It is a super-2 number, since 2×51555142915376² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51555142915379) 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, 22691523035 + ... + 22691525306.

Almost surely, 2^{51555142915376} is an apocalyptic number.

It is an amenable number.

51555142915376 is a deficient number, since it is larger than the sum of its proper divisors (49739820983968).

51555142915376 is a wasteful number, since it uses less digits than its factorization.

51555142915376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45383048420 (or 45383048414 counting only the distinct ones).

The product of its digits is 28350000, while the sum is 59.

The spelling of 51555142915376 in words is "fifty-one trillion, five hundred fifty-five billion, one hundred forty-two million, nine hundred fifteen thousand, three hundred seventy-six".