56008070820621 has 12 divisors (see below), whose sum is σ = 85659402431772. Its totient is φ = 35142318946176.

The previous prime is 56008070820617. The next prime is 56008070820631. The reversal of 56008070820621 is 12602807080065.

56008070820621 is a `hidden beast` number, since 560 + 0 + 8 + 0 + 7 + 0 + 8 + 20 + 62 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15240739715721 + 40767331104900 = 3903939^2 + 6384930^2 .

It is not a de Polignac number, because 56008070820621 - 2² = 56008070820617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56008070820631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183032911026 + ... + 183032911331.

It is an arithmetic number, because the mean of its divisors is an integer number (7138283535981).

Almost surely, 2^{56008070820621} is an apocalyptic number.

56008070820621 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

56008070820621 is a deficient number, since it is larger than the sum of its proper divisors (29651331611151).

56008070820621 is a wasteful number, since it uses less digits than its factorization.

56008070820621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366065822380 (or 366065822377 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 56008070820621 in words is "fifty-six trillion, eight billion, seventy million, eight hundred twenty thousand, six hundred twenty-one".