54557525 has 12 divisors (see below), whose sum is σ = 73801824. Its totient is φ = 39678000.

The previous prime is 54557521. The next prime is 54557527. The reversal of 54557525 is 52575545.

54557525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54557525 - 2² = 54557521 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54557521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98921 + ... + 99470.

It is an arithmetic number, because the mean of its divisors is an integer number (6150152).

Almost surely, 2^54557525 is an apocalyptic number.

54557525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54557525 is a deficient number, since it is larger than the sum of its proper divisors (19244299).

54557525 is a wasteful number, since it uses less digits than its factorization.

54557525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198412 (or 198407 counting only the distinct ones).

The product of its digits is 175000, while the sum is 38.

The square root of 54557525 is about 7386.3065871923. The cubic root of 54557525 is about 379.2726738712.

The spelling of 54557525 in words is "fifty-four million, five hundred fifty-seven thousand, five hundred twenty-five".