51730611860038 has 4 divisors (see below), whose sum is σ = 77595917790060. Its totient is φ = 25865305930018.

The previous prime is 51730611859987. The next prime is 51730611860077. The reversal of 51730611860038 is 83006811603715.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×51730611860038² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51730611859973 and 51730611860000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12932652965008 + ... + 12932652965011.

It is an arithmetic number, because the mean of its divisors is an integer number (19398979447515).

Almost surely, 2^{51730611860038} is an apocalyptic number.

51730611860038 is a deficient number, since it is larger than the sum of its proper divisors (25865305930022).

51730611860038 is a wasteful number, since it uses less digits than its factorization.

51730611860038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25865305930021.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 51730611860038 in words is "fifty-one trillion, seven hundred thirty billion, six hundred eleven million, eight hundred sixty thousand, thirty-eight".