54961625 has 8 divisors (see below), whose sum is σ = 68592264. Its totient is φ = 43969200.

The previous prime is 54961601. The next prime is 54961631. The reversal of 54961625 is 52616945.

It can be written as a sum of positive squares in 4 ways, for example, as 246016 + 54715609 = 496^2 + 7397^2 .

It is not a de Polignac number, because 54961625 - 2²⁴ = 38184409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219722 + ... + 219971.

It is an arithmetic number, because the mean of its divisors is an integer number (8574033).

Almost surely, 2^54961625 is an apocalyptic number.

It is an amenable number.

54961625 is a deficient number, since it is larger than the sum of its proper divisors (13630639).

54961625 is an equidigital number, since it uses as much as digits as its factorization.

54961625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439708 (or 439698 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 54961625 is about 7413.6107936686. The cubic root of 54961625 is about 380.2067780425.

The spelling of 54961625 in words is "fifty-four million, nine hundred sixty-one thousand, six hundred twenty-five".