55045925 has 36 divisors (see below), whose sum is σ = 77578368. Its totient is φ = 38676000.

The previous prime is 55045919. The next prime is 55045931. The reversal of 55045925 is 52954055.

It is an interprime number because it is at equal distance from previous prime (55045919) and next prime (55045931).

It is not a de Polignac number, because 55045925 - 2¹⁰ = 55044901 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 93482 + ... + 94068.

Almost surely, 2^55045925 is an apocalyptic number.

55045925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55045925 is a deficient number, since it is larger than the sum of its proper divisors (22532443).

55045925 is a wasteful number, since it uses less digits than its factorization.

55045925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 55045925 is about 7419.2941038889. The cubic root of 55045925 is about 380.4010654720.

The spelling of 55045925 in words is "fifty-five million, forty-five thousand, nine hundred twenty-five".