54745520 has 40 divisors (see below), whose sum is σ = 132821856. Its totient is φ = 20945408.

The previous prime is 54745519. The next prime is 54745529. The reversal of 54745520 is 2554745.

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

It is not an unprimeable number, because it can be changed into a prime (54745529) 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, 13037 + ... + 16716.

Almost surely, 2^54745520 is an apocalyptic number.

It is an amenable number.

54745520 is an abundant number, since it is smaller than the sum of its proper divisors (78076336).

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

54745520 is a wasteful number, since it uses less digits than its factorization.

54745520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29789 (or 29783 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 54745520 is about 7399.0215569358. The cubic root of 54745520 is about 379.7078086254.

The spelling of 54745520 in words is "fifty-four million, seven hundred forty-five thousand, five hundred twenty".