54187625 has 8 divisors (see below), whose sum is σ = 67626312. Its totient is φ = 43350000.

The previous prime is 54187607. The next prime is 54187633. The reversal of 54187625 is 52678145.

It can be written as a sum of positive squares in 4 ways, for example, as 414736 + 53772889 = 644^2 + 7333^2 .

It is a de Polignac number, because none of the positive numbers 2^k-54187625 is a prime.

It is a super-3 number, since 3×54187625³ (a number of 24 digits) contains 333 as substring.

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, 216626 + ... + 216875.

It is an arithmetic number, because the mean of its divisors is an integer number (8453289).

Almost surely, 2^54187625 is an apocalyptic number.

It is an amenable number.

54187625 is a deficient number, since it is larger than the sum of its proper divisors (13438687).

54187625 is an equidigital number, since it uses as much as digits as its factorization.

54187625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433516 (or 433506 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 54187625 is about 7361.2244226080. The cubic root of 54187625 is about 378.4135731707.

The spelling of 54187625 in words is "fifty-four million, one hundred eighty-seven thousand, six hundred twenty-five".