56425087 has 4 divisors (see below), whose sum is σ = 56481480. Its totient is φ = 56368696.

The previous prime is 56425069. The next prime is 56425099. The reversal of 56425087 is 78052465.

It is a happy number.

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 56425087 - 2¹⁵ = 56392319 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 (56425067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26668 + ... + 28705.

It is an arithmetic number, because the mean of its divisors is an integer number (14120370).

Almost surely, 2^56425087 is an apocalyptic number.

56425087 is a deficient number, since it is larger than the sum of its proper divisors (56393).

56425087 is a wasteful number, since it uses less digits than its factorization.

56425087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56392.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 56425087 is about 7511.6633976770. The cubic root of 56425087 is about 383.5518476058.

It can be divided in two parts, 564 and 25087, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 56425087 in words is "fifty-six million, four hundred twenty-five thousand, eighty-seven".