54515025 has 30 divisors (see below), whose sum is σ = 100984422. Its totient is φ = 29073600.

The previous prime is 54515017. The next prime is 54515033. The reversal of 54515025 is 52051545.

It is an interprime number because it is at equal distance from previous prime (54515017) and next prime (54515033).

It can be written as a sum of positive squares in 3 ways, for example, as 18045504 + 36469521 = 4248^2 + 6039^2 .

It is not a de Polignac number, because 54515025 - 2³ = 54515017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 54515025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 11436 + ... + 15485.

Almost surely, 2^54515025 is an apocalyptic number.

It is an amenable number.

54515025 is a deficient number, since it is larger than the sum of its proper divisors (46469397).

54515025 is a wasteful number, since it uses less digits than its factorization.

54515025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26943 (or 26929 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 54515025 is about 7383.4290813957. The cubic root of 54515025 is about 379.1741645393.

The spelling of 54515025 in words is "fifty-four million, five hundred fifteen thousand, twenty-five".