54431625 has 32 divisors (see below), whose sum is σ = 93045888. Its totient is φ = 28238400.

The previous prime is 54431621. The next prime is 54431651. The reversal of 54431625 is 52613445.

It is not a de Polignac number, because 54431625 - 2² = 54431621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54431592 and 54431601.

It is not an unprimeable number, because it can be changed into a prime (54431621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11914 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (2907684).

Almost surely, 2^54431625 is an apocalyptic number.

It is an amenable number.

54431625 is a deficient number, since it is larger than the sum of its proper divisors (38614263).

54431625 is a wasteful number, since it uses less digits than its factorization.

54431625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978 (or 3968 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 54431625 is about 7377.7791373827. The cubic root of 54431625 is about 378.9807055477.

The spelling of 54431625 in words is "fifty-four million, four hundred thirty-one thousand, six hundred twenty-five".