56261995 has 4 divisors (see below), whose sum is σ = 67514400. Its totient is φ = 45009592.

The previous prime is 56261971. The next prime is 56262007. The reversal of 56261995 is 59916265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56261995 - 2²³ = 47873387 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5626195 + ... + 5626204.

It is an arithmetic number, because the mean of its divisors is an integer number (16878600).

Almost surely, 2^56261995 is an apocalyptic number.

56261995 is a deficient number, since it is larger than the sum of its proper divisors (11252405).

56261995 is a wasteful number, since it uses less digits than its factorization.

56261995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252404.

The product of its digits is 145800, while the sum is 43.

The square root of 56261995 is about 7500.7996240401. The cubic root of 56261995 is about 383.1819494660.

The spelling of 56261995 in words is "fifty-six million, two hundred sixty-one thousand, nine hundred ninety-five".