54210625 has 20 divisors (see below), whose sum is σ = 77425216. Its totient is φ = 37170000.

The previous prime is 54210623. The next prime is 54210641. The reversal of 54210625 is 52601245.

It is not a de Polignac number, because 54210625 - 2¹ = 54210623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54210625.

It is not an unprimeable number, because it can be changed into a prime (54210623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1821 + ... + 10570.

Almost surely, 2^54210625 is an apocalyptic number.

It is an amenable number.

54210625 is a deficient number, since it is larger than the sum of its proper divisors (23214591).

54210625 is an equidigital number, since it uses as much as digits as its factorization.

54210625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12418 (or 12403 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 54210625 is about 7362.7864969725. The cubic root of 54210625 is about 378.4671049569.

The spelling of 54210625 in words is "fifty-four million, two hundred ten thousand, six hundred twenty-five".