51556036044513 has 64 divisors (see below), whose sum is σ = 92622256699392. Its totient is φ = 24634817210880.

The previous prime is 51556036044493. The next prime is 51556036044547. The reversal of 51556036044513 is 31544063065515.

It is not a de Polignac number, because 51556036044513 - 2⁹ = 51556036044001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51556036044553) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29482620 + ... + 31182317.

It is an arithmetic number, because the mean of its divisors is an integer number (1447222760928).

Almost surely, 2^{51556036044513} is an apocalyptic number.

It is an amenable number.

51556036044513 is a deficient number, since it is larger than the sum of its proper divisors (41066220654879).

51556036044513 is a wasteful number, since it uses less digits than its factorization.

51556036044513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60665254.

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 51556036044513 in words is "fifty-one trillion, five hundred fifty-six billion, thirty-six million, forty-four thousand, five hundred thirteen".