56467773621 has 32 divisors (see below), whose sum is σ = 96483974400. Its totient is φ = 31971257280.

The previous prime is 56467773619. The next prime is 56467773641. The reversal of 56467773621 is 12637776465.

It is a happy number.

56467773621 is a `hidden beast` number, since 5 + 6 + 4 + 6 + 7 + 7 + 7 + 3 + 621 = 666.

It is not a de Polignac number, because 56467773621 - 2¹ = 56467773619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56467773641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1349910 + ... + 1391111.

It is an arithmetic number, because the mean of its divisors is an integer number (3015124200).

Almost surely, 2^56467773621 is an apocalyptic number.

It is an amenable number.

56467773621 is a deficient number, since it is larger than the sum of its proper divisors (40016200779).

56467773621 is a wasteful number, since it uses less digits than its factorization.

56467773621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741146 (or 2741140 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

The spelling of 56467773621 in words is "fifty-six billion, four hundred sixty-seven million, seven hundred seventy-three thousand, six hundred twenty-one".