55424325 has 24 divisors (see below), whose sum is σ = 99966816. Its totient is φ = 26872000.

The previous prime is 55424323. The next prime is 55424351. The reversal of 55424325 is 52342455.

It is not a de Polignac number, because 55424325 - 2¹ = 55424323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55424292 and 55424301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55424321) 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, 32766 + ... + 34415.

It is an arithmetic number, because the mean of its divisors is an integer number (4165284).

Almost surely, 2^55424325 is an apocalyptic number.

55424325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55424325 is a deficient number, since it is larger than the sum of its proper divisors (44542491).

55424325 is a wasteful number, since it uses less digits than its factorization.

55424325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67205 (or 67200 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 55424325 is about 7444.7515069343. The cubic root of 55424325 is about 381.2707343377.

The spelling of 55424325 in words is "fifty-five million, four hundred twenty-four thousand, three hundred twenty-five".