56542525 has 12 divisors (see below), whose sum is σ = 75506452. Its totient is φ = 41754240.

The previous prime is 56542523. The next prime is 56542531. The reversal of 56542525 is 52524565.

It can be written as a sum of positive squares in 6 ways, for example, as 3849444 + 52693081 = 1962^2 + 7259^2 .

It is not a de Polignac number, because 56542525 - 2¹ = 56542523 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 (56542523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86664 + ... + 87313.

Almost surely, 2^56542525 is an apocalyptic number.

It is an amenable number.

56542525 is a deficient number, since it is larger than the sum of its proper divisors (18963927).

56542525 is a wasteful number, since it uses less digits than its factorization.

56542525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174000 (or 173995 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 56542525 is about 7519.4763780465. The cubic root of 56542525 is about 383.8177597530.

The spelling of 56542525 in words is "fifty-six million, five hundred forty-two thousand, five hundred twenty-five".