55485425 has 12 divisors (see below), whose sum is σ = 69205020. Its totient is φ = 44128320.

The previous prime is 55485421. The next prime is 55485449. The reversal of 55485425 is 52458455.

It can be written as a sum of positive squares in 6 ways, for example, as 3400336 + 52085089 = 1844^2 + 7217^2 .

It is not a de Polignac number, because 55485425 - 2² = 55485421 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55485421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2090 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (5767085).

Almost surely, 2^55485425 is an apocalyptic number.

It is an amenable number.

55485425 is a deficient number, since it is larger than the sum of its proper divisors (13719595).

55485425 is a wasteful number, since it uses less digits than its factorization.

55485425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13012 (or 13007 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The square root of 55485425 is about 7448.8539386942. The cubic root of 55485425 is about 381.4107876850.

The spelling of 55485425 in words is "fifty-five million, four hundred eighty-five thousand, four hundred twenty-five".