55920525 has 24 divisors (see below), whose sum is σ = 92732160. Its totient is φ = 29735040.

The previous prime is 55920479. The next prime is 55920539. The reversal of 55920525 is 52502955.

It is not a de Polignac number, because 55920525 - 2⁶ = 55920461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29764 + ... + 31586.

It is an arithmetic number, because the mean of its divisors is an integer number (3863840).

Almost surely, 2^55920525 is an apocalyptic number.

It is an amenable number.

55920525 is a deficient number, since it is larger than the sum of its proper divisors (36811635).

55920525 is a wasteful number, since it uses less digits than its factorization.

55920525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 55920525 is about 7478.0027413742. The cubic root of 55920525 is about 382.4051625274.

The spelling of 55920525 in words is "fifty-five million, nine hundred twenty thousand, five hundred twenty-five".