54025515 has 32 divisors (see below), whose sum is σ = 96576000. Its totient is φ = 28654560.

The previous prime is 54025511. The next prime is 54025519. The reversal of 54025515 is 51552045.

It is an interprime number because it is at equal distance from previous prime (54025511) and next prime (54025519).

It is not a de Polignac number, because 54025515 - 2² = 54025511 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (54025511) 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, 25860 + ... + 27870.

It is an arithmetic number, because the mean of its divisors is an integer number (3018000).

Almost surely, 2^54025515 is an apocalyptic number.

54025515 is a deficient number, since it is larger than the sum of its proper divisors (42550485).

54025515 is a wasteful number, since it uses less digits than its factorization.

54025515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224 (or 2218 counting only the distinct ones).

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

The square root of 54025515 is about 7350.2050991792. The cubic root of 54025515 is about 378.0358368644.

The spelling of 54025515 in words is "fifty-four million, twenty-five thousand, five hundred fifteen".