56266087 has 4 divisors (see below), whose sum is σ = 59227480. Its totient is φ = 53304696.

The previous prime is 56266051. The next prime is 56266099. The reversal of 56266087 is 78066265.

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 56266087 - 2¹⁵ = 56233319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56266187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480668 + ... + 1480705.

It is an arithmetic number, because the mean of its divisors is an integer number (14806870).

Almost surely, 2^56266087 is an apocalyptic number.

56266087 is a deficient number, since it is larger than the sum of its proper divisors (2961393).

56266087 is a wasteful number, since it uses less digits than its factorization.

56266087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961392.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 56266087 is about 7501.0723899986. The cubic root of 56266087 is about 383.1912389963.

The spelling of 56266087 in words is "fifty-six million, two hundred sixty-six thousand, eighty-seven".