56562151 has 4 divisors (see below), whose sum is σ = 58512600. Its totient is φ = 54611704.

The previous prime is 56562139. The next prime is 56562169. The reversal of 56562151 is 15126565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56562151 - 2¹¹ = 56560103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56562131) 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, 975181 + ... + 975238.

It is an arithmetic number, because the mean of its divisors is an integer number (14628150).

Almost surely, 2^56562151 is an apocalyptic number.

56562151 is a deficient number, since it is larger than the sum of its proper divisors (1950449).

56562151 is a wasteful number, since it uses less digits than its factorization.

56562151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950448.

The product of its digits is 9000, while the sum is 31.

The square root of 56562151 is about 7520.7812759048. The cubic root of 56562151 is about 383.8621625334.

The spelling of 56562151 in words is "fifty-six million, five hundred sixty-two thousand, one hundred fifty-one".