56274257 has 16 divisors (see below), whose sum is σ = 64296960. Its totient is φ = 48822912.

The previous prime is 56274221. The next prime is 56274319. The reversal of 56274257 is 75247265.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56274257 - 2²⁴ = 39497041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56274257.

It is not an unprimeable number, because it can be changed into a prime (56273257) 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, 33008 + ... + 34670.

It is an arithmetic number, because the mean of its divisors is an integer number (4018560).

Almost surely, 2^56274257 is an apocalyptic number.

It is an amenable number.

56274257 is a deficient number, since it is larger than the sum of its proper divisors (8022703).

56274257 is a wasteful number, since it uses less digits than its factorization.

56274257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its digits is 117600, while the sum is 38.

The square root of 56274257 is about 7501.6169590296. The cubic root of 56274257 is about 383.2097849273.

The spelling of 56274257 in words is "fifty-six million, two hundred seventy-four thousand, two hundred fifty-seven".