56243655 has 48 divisors (see below), whose sum is σ = 106404480. Its totient is φ = 27316224.

The previous prime is 56243651. The next prime is 56243657. The reversal of 56243655 is 55634265.

It is a happy number.

56243655 is a `hidden beast` number, since 562 + 43 + 6 + 55 = 666.

It is not a de Polignac number, because 56243655 - 2² = 56243651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56243651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45607 + ... + 46823.

It is an arithmetic number, because the mean of its divisors is an integer number (2216760).

Almost surely, 2^56243655 is an apocalyptic number.

56243655 is a deficient number, since it is larger than the sum of its proper divisors (50160825).

56243655 is a wasteful number, since it uses less digits than its factorization.

56243655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1317 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 56243655 is about 7499.5769880707. The cubic root of 56243655 is about 383.1403090377.

The spelling of 56243655 in words is "fifty-six million, two hundred forty-three thousand, six hundred fifty-five".