56770291828 has 12 divisors (see below), whose sum is σ = 99349679520. Its totient is φ = 28384669112.

The previous prime is 56770291817. The next prime is 56770291841. The reversal of 56770291828 is 82819207765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399033 + ... + 522271.

It is an arithmetic number, because the mean of its divisors is an integer number (8279139960).

Almost surely, 2^56770291828 is an apocalyptic number.

It is an amenable number.

56770291828 is a deficient number, since it is larger than the sum of its proper divisors (42579387692).

56770291828 is a wasteful number, since it uses less digits than its factorization.

56770291828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238406 (or 238404 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 56770291828 in words is "fifty-six billion, seven hundred seventy million, two hundred ninety-one thousand, eight hundred twenty-eight".