56637003371536 has 45 divisors (see below), whose sum is σ = 127650455743869. Its totient is φ = 24272911135872.

The previous prime is 56637003371477. The next prime is 56637003371549. The reversal of 56637003371536 is 63517330073665.

It is a happy number.

The square root of 56637003371536 is 7525756.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3739659792400 + 52897343579136 = 1933820^2 + 7273056^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 210586780 + ... + 210855556.

Almost surely, 2^{56637003371536} is an apocalyptic number.

56637003371536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

56637003371536 is the 7525756-th square number.

It is an amenable number.

56637003371536 is an abundant number, since it is smaller than the sum of its proper divisors (71013452372333).

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

56637003371536 is an frugal number, since it uses more digits than its factorization.

56637003371536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537576 (or 268786 counting only the distinct ones).

The product of its (nonzero) digits is 21432600, while the sum is 55.

The spelling of 56637003371536 in words is "fifty-six trillion, six hundred thirty-seven billion, three million, three hundred seventy-one thousand, five hundred thirty-six".