51102657044 has 12 divisors (see below), whose sum is σ = 90250106100. Its totient is φ = 25316912448.

The previous prime is 51102657007. The next prime is 51102657059. The reversal of 51102657044 is 44075620115.

It can be written as a sum of positive squares in 2 ways, for example, as 14607139600 + 36495517444 = 120860^2 + 191038^2 .

It is a super-2 number, since 2×51102657044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51102656995 and 51102657013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58603529 + ... + 58604400.

It is an arithmetic number, because the mean of its divisors is an integer number (7520842175).

Almost surely, 2^51102657044 is an apocalyptic number.

It is an amenable number.

51102657044 is a deficient number, since it is larger than the sum of its proper divisors (39147449056).

51102657044 is a wasteful number, since it uses less digits than its factorization.

51102657044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117208042 (or 117208040 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 51102657044 in words is "fifty-one billion, one hundred two million, six hundred fifty-seven thousand, forty-four".