56261457 has 36 divisors (see below), whose sum is σ = 95455620. Its totient is φ = 31836672.

The previous prime is 56261453. The next prime is 56261507. The reversal of 56261457 is 75416265.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2547216 + 53714241 = 1596^2 + 7329^2 .

It is not a de Polignac number, because 56261457 - 2² = 56261453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56261453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49269 + ... + 50397.

It is an arithmetic number, because the mean of its divisors is an integer number (2651545).

Almost surely, 2^56261457 is an apocalyptic number.

It is an amenable number.

56261457 is a deficient number, since it is larger than the sum of its proper divisors (39194163).

56261457 is a wasteful number, since it uses less digits than its factorization.

56261457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1252 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 56261457 is about 7500.7637611113. The cubic root of 56261457 is about 383.1807280817.

The spelling of 56261457 in words is "fifty-six million, two hundred sixty-one thousand, four hundred fifty-seven".