54816625 has 8 divisors (see below), whose sum is σ = 68411304. Its totient is φ = 43853200.

The previous prime is 54816623. The next prime is 54816667. The reversal of 54816625 is 52661845.

It can be written as a sum of positive squares in 4 ways, for example, as 1292769 + 53523856 = 1137^2 + 7316^2 .

It is not a de Polignac number, because 54816625 - 2¹ = 54816623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54816623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219142 + ... + 219391.

It is an arithmetic number, because the mean of its divisors is an integer number (8551413).

Almost surely, 2^54816625 is an apocalyptic number.

It is an amenable number.

54816625 is a deficient number, since it is larger than the sum of its proper divisors (13594679).

54816625 is an equidigital number, since it uses as much as digits as its factorization.

54816625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438548 (or 438538 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 54816625 is about 7403.8250249449. The cubic root of 54816625 is about 379.8721291829.

The spelling of 54816625 in words is "fifty-four million, eight hundred sixteen thousand, six hundred twenty-five".