56243157 has 12 divisors (see below), whose sum is σ = 79662816. Its totient is φ = 35289280.

The previous prime is 56243149. The next prime is 56243251. The reversal of 56243157 is 75134265.

It is not a de Polignac number, because 56243157 - 2³ = 56243149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56243357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31569 + ... + 33302.

It is an arithmetic number, because the mean of its divisors is an integer number (6638568).

Almost surely, 2^56243157 is an apocalyptic number.

It is an amenable number.

56243157 is a deficient number, since it is larger than the sum of its proper divisors (23419659).

56243157 is a wasteful number, since it uses less digits than its factorization.

56243157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64908 (or 64891 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 56243157 is about 7499.5437861246. The cubic root of 56243157 is about 383.1391782172.

The spelling of 56243157 in words is "fifty-six million, two hundred forty-three thousand, one hundred fifty-seven".