56191088 has 20 divisors (see below), whose sum is σ = 109477368. Its totient is φ = 27938880.

The previous prime is 56191087. The next prime is 56191097. The reversal of 56191088 is 88019165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56191081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6806 + ... + 12597.

Almost surely, 2^56191088 is an apocalyptic number.

It is an amenable number.

56191088 is a deficient number, since it is larger than the sum of its proper divisors (53286280).

56191088 is a wasteful number, since it uses less digits than its factorization.

56191088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19592 (or 19586 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 56191088 is about 7496.0715044615. The cubic root of 56191088 is about 383.0209070386.

The spelling of 56191088 in words is "fifty-six million, one hundred ninety-one thousand, eighty-eight".