56261507 has 2 divisors, whose sum is σ = 56261508. Its totient is φ = 56261506.

The previous prime is 56261453. The next prime is 56261573. The reversal of 56261507 is 70516265.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56261507 - 2²² = 52067203 is a prime.

It is a super-2 number, since 2×56261507² = 6330714339822098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56263507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28130753 + 28130754.

It is an arithmetic number, because the mean of its divisors is an integer number (28130754).

Almost surely, 2^56261507 is an apocalyptic number.

56261507 is a deficient number, since it is larger than the sum of its proper divisors (1).

56261507 is an equidigital number, since it uses as much as digits as its factorization.

56261507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 56261507 is about 7500.7670941044. The cubic root of 56261507 is about 383.1808415936.

The spelling of 56261507 in words is "fifty-six million, two hundred sixty-one thousand, five hundred seven".