54125520 has 40 divisors (see below), whose sum is σ = 167789856. Its totient is φ = 14433408.

The previous prime is 54125441. The next prime is 54125521. The reversal of 54125520 is 2552145.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54125521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112522 + ... + 113001.

Almost surely, 2^54125520 is an apocalyptic number.

It is an amenable number.

54125520 is an abundant number, since it is smaller than the sum of its proper divisors (113664336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54125520 is a wasteful number, since it uses less digits than its factorization.

54125520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225539 (or 225533 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 54125520 is about 7357.0048253348. The cubic root of 54125520 is about 378.2689499960.

Adding to 54125520 its reverse (2552145), we get a palindrome (56677665).

It can be divided in two parts, 54125 and 520, that added together give a palindrome (54645).

The spelling of 54125520 in words is "fifty-four million, one hundred twenty-five thousand, five hundred twenty".