55672425 has 18 divisors (see below), whose sum is σ = 99715902. Its totient is φ = 29691840.

The previous prime is 55672417. The next prime is 55672429. The reversal of 55672425 is 52427655.

It can be written as a sum of positive squares in 3 ways, for example, as 5588496 + 50083929 = 2364^2 + 7077^2 .

It is not a de Polignac number, because 55672425 - 2³ = 55672417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55672425.

It is not an unprimeable number, because it can be changed into a prime (55672429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123492 + ... + 123941.

Almost surely, 2^55672425 is an apocalyptic number.

It is an amenable number.

55672425 is a deficient number, since it is larger than the sum of its proper divisors (44043477).

55672425 is a wasteful number, since it uses less digits than its factorization.

55672425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247449 (or 247441 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 55672425 is about 7461.3956469283. The cubic root of 55672425 is about 381.8387910181.

The spelling of 55672425 in words is "fifty-five million, six hundred seventy-two thousand, four hundred twenty-five".