56091645432 has 48 divisors (see below), whose sum is σ = 152479665000. Its totient is φ = 18627702336.

The previous prime is 56091645383. The next prime is 56091645479. The reversal of 56091645432 is 23454619065.

56091645432 is a `hidden beast` number, since 5 + 609 + 1 + 6 + 4 + 5 + 4 + 32 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1428682 + ... + 1467417.

Almost surely, 2^56091645432 is an apocalyptic number.

It is an amenable number.

56091645432 is an abundant number, since it is smaller than the sum of its proper divisors (96388019568).

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

56091645432 is a wasteful number, since it uses less digits than its factorization.

56091645432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896380 (or 2896373 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 56091645432 in words is "fifty-six billion, ninety-one million, six hundred forty-five thousand, four hundred thirty-two".