54013521402 has 24 divisors (see below), whose sum is σ = 122117527584. Its totient is φ = 17221702344.

The previous prime is 54013521349. The next prime is 54013521403. The reversal of 54013521402 is 20412531045.

It is not an unprimeable number, because it can be changed into a prime (54013521403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65233308 + ... + 65234135.

It is an arithmetic number, because the mean of its divisors is an integer number (5088230316).

Almost surely, 2^54013521402 is an apocalyptic number.

54013521402 is an abundant number, since it is smaller than the sum of its proper divisors (68104006182).

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

54013521402 is a wasteful number, since it uses less digits than its factorization.

54013521402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130467474 (or 130467471 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 54013521402 in words is "fifty-four billion, thirteen million, five hundred twenty-one thousand, four hundred two".