55125425 has 6 divisors (see below), whose sum is σ = 68355558. Its totient is φ = 44100320.

The previous prime is 55125383. The next prime is 55125431. The reversal of 55125425 is 52452155.

It can be written as a sum of positive squares in 3 ways, for example, as 6697744 + 48427681 = 2588^2 + 6959^2 .

It is not a de Polignac number, because 55125425 - 2¹⁰ = 55124401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1102484 + ... + 1102533.

It is an arithmetic number, because the mean of its divisors is an integer number (11392593).

Almost surely, 2^55125425 is an apocalyptic number.

It is an amenable number.

55125425 is a deficient number, since it is larger than the sum of its proper divisors (13230133).

55125425 is a wasteful number, since it uses less digits than its factorization.

55125425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205027 (or 2205022 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 55125425 is about 7424.6498233923. The cubic root of 55125425 is about 380.5841086155.

The spelling of 55125425 in words is "fifty-five million, one hundred twenty-five thousand, four hundred twenty-five".