56051772347437 has 32 divisors (see below), whose sum is σ = 62554160148480. Its totient is φ = 49981390018560.

The previous prime is 56051772347411. The next prime is 56051772347443. The reversal of 56051772347437 is 73474327715065.

It is a cyclic number.

It is not a de Polignac number, because 56051772347437 - 2³⁵ = 56017412609069 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56051772347407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10764889 + ... + 15099217.

It is an arithmetic number, because the mean of its divisors is an integer number (1954817504640).

Almost surely, 2^{56051772347437} is an apocalyptic number.

It is an amenable number.

56051772347437 is a deficient number, since it is larger than the sum of its proper divisors (6502387801043).

56051772347437 is a wasteful number, since it uses less digits than its factorization.

56051772347437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334893.

The product of its (nonzero) digits is 103723200, while the sum is 61.

The spelling of 56051772347437 in words is "fifty-six trillion, fifty-one billion, seven hundred seventy-two million, three hundred forty-seven thousand, four hundred thirty-seven".