56507100650566 has 4 divisors (see below), whose sum is σ = 84760650975852. Its totient is φ = 28253550325282.

The previous prime is 56507100650503. The next prime is 56507100650599. The reversal of 56507100650566 is 66505600170565.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×56507100650566² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14126775162640 + ... + 14126775162643.

It is an arithmetic number, because the mean of its divisors is an integer number (21190162743963).

Almost surely, 2^{56507100650566} is an apocalyptic number.

56507100650566 is a deficient number, since it is larger than the sum of its proper divisors (28253550325286).

56507100650566 is a wasteful number, since it uses less digits than its factorization.

56507100650566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28253550325285.

The product of its (nonzero) digits is 5670000, while the sum is 52.

The spelling of 56507100650566 in words is "fifty-six trillion, five hundred seven billion, one hundred million, six hundred fifty thousand, five hundred sixty-six".