56024991 has 12 divisors (see below), whose sum is σ = 88281960. Its totient is φ = 33954480.

The previous prime is 56024989. The next prime is 56024999. The reversal of 56024991 is 19942065.

56024991 is a `hidden beast` number, since 5 + 602 + 49 + 9 + 1 = 666.

It is not a de Polignac number, because 56024991 - 2¹ = 56024989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56024999) by changing a digit.

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, 282856 + ... + 283053.

It is an arithmetic number, because the mean of its divisors is an integer number (7356830).

Almost surely, 2^56024991 is an apocalyptic number.

56024991 is a deficient number, since it is larger than the sum of its proper divisors (32256969).

56024991 is a wasteful number, since it uses less digits than its factorization.

56024991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565926 (or 565923 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 56024991 is about 7484.9843687212. The cubic root of 56024991 is about 382.6431400706.

The spelling of 56024991 in words is "fifty-six million, twenty-four thousand, nine hundred ninety-one".