55512325 has 24 divisors (see below), whose sum is σ = 75441600. Its totient is φ = 40185600.

The previous prime is 55512299. The next prime is 55512329. The reversal of 55512325 is 52321555.

It is not a de Polignac number, because 55512325 - 2¹¹ = 55510277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55512293 and 55512302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55512329) 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, 92376 + ... + 92974.

It is an arithmetic number, because the mean of its divisors is an integer number (3143400).

Almost surely, 2^55512325 is an apocalyptic number.

55512325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55512325 is a deficient number, since it is larger than the sum of its proper divisors (19929275).

55512325 is a wasteful number, since it uses less digits than its factorization.

55512325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 952 counting only the distinct ones).

The product of its digits is 7500, while the sum is 28.

The square root of 55512325 is about 7450.6593667943. The cubic root of 55512325 is about 381.4724152360.

It can be divided in two parts, 555 and 12325, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 55512325 in words is "fifty-five million, five hundred twelve thousand, three hundred twenty-five".