55533525 has 24 divisors (see below), whose sum is σ = 92133984. Its totient is φ = 29515200.

The previous prime is 55533479. The next prime is 55533529. The reversal of 55533525 is 52533555.

It is not a de Polignac number, because 55533525 - 2⁷ = 55533397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55533529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23707 + ... + 25943.

It is an arithmetic number, because the mean of its divisors is an integer number (3838916).

Almost surely, 2^55533525 is an apocalyptic number.

It is an amenable number.

55533525 is a deficient number, since it is larger than the sum of its proper divisors (36600459).

55533525 is a wasteful number, since it uses less digits than its factorization.

55533525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581 (or 2576 counting only the distinct ones).

The product of its digits is 56250, while the sum is 33.

The square root of 55533525 is about 7452.0819238653. The cubic root of 55533525 is about 381.5209701346.

The spelling of 55533525 in words is "fifty-five million, five hundred thirty-three thousand, five hundred twenty-five".