56247099 has 16 divisors (see below), whose sum is σ = 76148352. Its totient is φ = 36926208.

The previous prime is 56247073. The next prime is 56247127. The reversal of 56247099 is 99074265.

It is not a de Polignac number, because 56247099 - 2⁹ = 56246587 is a prime.

It is a super-2 number, since 2×56247099² = 6327472291831602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56247099.

It is not an unprimeable number, because it can be changed into a prime (56247019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82012 + ... + 82694.

It is an arithmetic number, because the mean of its divisors is an integer number (4759272).

Almost surely, 2^56247099 is an apocalyptic number.

56247099 is a deficient number, since it is larger than the sum of its proper divisors (19901253).

56247099 is a wasteful number, since it uses less digits than its factorization.

56247099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 56247099 is about 7499.8065975064. The cubic root of 56247099 is about 383.1481292282.

The spelling of 56247099 in words is "fifty-six million, two hundred forty-seven thousand, ninety-nine".