57051637346406 has 32 divisors (see below), whose sum is σ = 120115723052160. Its totient is φ = 18015254603136.

The previous prime is 57051637346371. The next prime is 57051637346419. The reversal of 57051637346406 is 60464373615075.

It is a super-2 number, since 2×57051637346406² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12647916 + ... + 16555151.

It is an arithmetic number, because the mean of its divisors is an integer number (3753616345380).

Almost surely, 2^{57051637346406} is an apocalyptic number.

57051637346406 is an abundant number, since it is smaller than the sum of its proper divisors (63064085705754).

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

57051637346406 is a wasteful number, since it uses less digits than its factorization.

57051637346406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29220228.

The product of its (nonzero) digits is 38102400, while the sum is 57.

The spelling of 57051637346406 in words is "fifty-seven trillion, fifty-one billion, six hundred thirty-seven million, three hundred forty-six thousand, four hundred six".