51677132624 has 40 divisors (see below), whose sum is σ = 107845904712. Its totient is φ = 23846653440.

The previous prime is 51677132597. The next prime is 51677132651. The reversal of 51677132624 is 42623177615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51677132597) and next prime (51677132651).

It can be written as a sum of positive squares in 4 ways, for example, as 3948865600 + 47728267024 = 62840^2 + 218468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316222 + ... + 1354914.

Almost surely, 2^51677132624 is an apocalyptic number.

It is an amenable number.

51677132624 is an abundant number, since it is smaller than the sum of its proper divisors (56168772088).

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

51677132624 is a wasteful number, since it uses less digits than its factorization.

51677132624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45135 (or 45129 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The spelling of 51677132624 in words is "fifty-one billion, six hundred seventy-seven million, one hundred thirty-two thousand, six hundred twenty-four".