56218525 has 12 divisors (see below), whose sum is σ = 76048704. Its totient is φ = 40886000.

The previous prime is 56218457. The next prime is 56218543. The reversal of 56218525 is 52581265.

It is not a de Polignac number, because 56218525 - 2¹¹ = 56216477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101941 + ... + 102490.

It is an arithmetic number, because the mean of its divisors is an integer number (6337392).

Almost surely, 2^56218525 is an apocalyptic number.

56218525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56218525 is a deficient number, since it is larger than the sum of its proper divisors (19830179).

56218525 is a wasteful number, since it uses less digits than its factorization.

56218525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204452 (or 204447 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 56218525 is about 7497.9013730510. The cubic root of 56218525 is about 383.0832374130.

The spelling of 56218525 in words is "fifty-six million, two hundred eighteen thousand, five hundred twenty-five".