55745525 has 48 divisors (see below), whose sum is σ = 81423360. Its totient is φ = 37425600.

The previous prime is 55745509. The next prime is 55745531. The reversal of 55745525 is 52554755.

It is not a de Polignac number, because 55745525 - 2⁴ = 55745509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245462 + ... + 245688.

It is an arithmetic number, because the mean of its divisors is an integer number (1696320).

Almost surely, 2^55745525 is an apocalyptic number.

55745525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55745525 is a deficient number, since it is larger than the sum of its proper divisors (25677835).

55745525 is a wasteful number, since it uses less digits than its factorization.

55745525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 309 counting only the distinct ones).

The product of its digits is 175000, while the sum is 38.

The square root of 55745525 is about 7466.2925873555. The cubic root of 55745525 is about 382.0058408507.

The spelling of 55745525 in words is "fifty-five million, seven hundred forty-five thousand, five hundred twenty-five".