56554640372 has 24 divisors (see below), whose sum is σ = 101361033312. Its totient is φ = 27601423200.

The previous prime is 56554640371. The next prime is 56554640413. The reversal of 56554640372 is 27304645565.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554640371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852698 + ... + 916625.

It is an arithmetic number, because the mean of its divisors is an integer number (4223376388).

Almost surely, 2^56554640372 is an apocalyptic number.

It is an amenable number.

56554640372 is a deficient number, since it is larger than the sum of its proper divisors (44806392940).

56554640372 is a wasteful number, since it uses less digits than its factorization.

56554640372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769519 (or 1769517 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 56554640372 in words is "fifty-six billion, five hundred fifty-four million, six hundred forty thousand, three hundred seventy-two".