55448525 has 24 divisors (see below), whose sum is σ = 75527904. Its totient is φ = 40046400.

The previous prime is 55448507. The next prime is 55448563. The reversal of 55448525 is 52584455.

It is not a de Polignac number, because 55448525 - 2⁶ = 55448461 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 44207 + ... + 45443.

It is an arithmetic number, because the mean of its divisors is an integer number (3146996).

Almost surely, 2^55448525 is an apocalyptic number.

55448525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55448525 is a deficient number, since it is larger than the sum of its proper divisors (20079379).

55448525 is a wasteful number, since it uses less digits than its factorization.

55448525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1416 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The square root of 55448525 is about 7446.3766356531. The cubic root of 55448525 is about 381.3262178533.

The spelling of 55448525 in words is "fifty-five million, four hundred forty-eight thousand, five hundred twenty-five".