56526915 has 16 divisors (see below), whose sum is σ = 91323648. Its totient is φ = 29854176.

The previous prime is 56526913. The next prime is 56526917. The reversal of 56526915 is 51962565.

It is an interprime number because it is at equal distance from previous prime (56526913) and next prime (56526917).

It is not a de Polignac number, because 56526915 - 2¹ = 56526913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56526913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16749 + ... + 19838.

It is an arithmetic number, because the mean of its divisors is an integer number (5707728).

Almost surely, 2^56526915 is an apocalyptic number.

56526915 is a deficient number, since it is larger than the sum of its proper divisors (34796733).

56526915 is a wasteful number, since it uses less digits than its factorization.

56526915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36698.

The product of its digits is 81000, while the sum is 39.

The square root of 56526915 is about 7518.4383351864. The cubic root of 56526915 is about 383.7824356220.

The spelling of 56526915 in words is "fifty-six million, five hundred twenty-six thousand, nine hundred fifteen".