54619625 has 8 divisors (see below), whose sum is σ = 68165448. Its totient is φ = 43695600.

The previous prime is 54619619. The next prime is 54619637. The reversal of 54619625 is 52691645.

It can be written as a sum of positive squares in 4 ways, for example, as 1577536 + 53042089 = 1256^2 + 7283^2 .

It is not a de Polignac number, because 54619625 - 2¹² = 54615529 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, 218354 + ... + 218603.

It is an arithmetic number, because the mean of its divisors is an integer number (8520681).

Almost surely, 2^54619625 is an apocalyptic number.

It is an amenable number.

54619625 is a deficient number, since it is larger than the sum of its proper divisors (13545823).

54619625 is an equidigital number, since it uses as much as digits as its factorization.

54619625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436972 (or 436962 counting only the distinct ones).

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

The square root of 54619625 is about 7390.5091164276. The cubic root of 54619625 is about 379.4165214423.

The spelling of 54619625 in words is "fifty-four million, six hundred nineteen thousand, six hundred twenty-five".