56937149976 has 128 divisors (see below), whose sum is σ = 172472832000. Its totient is φ = 15300565632.

The previous prime is 56937149963. The next prime is 56937149977. The reversal of 56937149976 is 67994173965.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56937149977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379525 + ... + 507851.

It is an arithmetic number, because the mean of its divisors is an integer number (1347444000).

Almost surely, 2^56937149976 is an apocalyptic number.

56937149976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56937149976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86236416000).

56937149976 is an abundant number, since it is smaller than the sum of its proper divisors (115535682024).

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

56937149976 is a wasteful number, since it uses less digits than its factorization.

56937149976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128501 (or 128497 counting only the distinct ones).

The product of its digits is 77157360, while the sum is 66.

The spelling of 56937149976 in words is "fifty-six billion, nine hundred thirty-seven million, one hundred forty-nine thousand, nine hundred seventy-six".