54040525 has 48 divisors (see below), whose sum is σ = 84994560. Its totient is φ = 33105600.

The previous prime is 54040523. The next prime is 54040537. The reversal of 54040525 is 52504045.

It is not a de Polignac number, because 54040525 - 2¹ = 54040523 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 54040525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54040523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128766 + ... + 129184.

It is an arithmetic number, because the mean of its divisors is an integer number (1770720).

Almost surely, 2^54040525 is an apocalyptic number.

54040525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54040525 is a deficient number, since it is larger than the sum of its proper divisors (30954035).

54040525 is a wasteful number, since it uses less digits than its factorization.

54040525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 54040525 is about 7351.2260882114. The cubic root of 54040525 is about 378.0708437340.

The spelling of 54040525 in words is "fifty-four million, forty thousand, five hundred twenty-five".