54021988470 has 32 divisors (see below), whose sum is σ = 132411345408. Its totient is φ = 14099355488.

The previous prime is 54021988439. The next prime is 54021988477. The reversal of 54021988470 is 7488912045.

It is a happy number.

54021988470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021988477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19155324 + ... + 19158143.

It is an arithmetic number, because the mean of its divisors is an integer number (4137854544).

Almost surely, 2^54021988470 is an apocalyptic number.

54021988470 is an abundant number, since it is smaller than the sum of its proper divisors (78389356938).

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

54021988470 is a wasteful number, since it uses less digits than its factorization.

54021988470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38313524.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 54021988470 in words is "fifty-four billion, twenty-one million, nine hundred eighty-eight thousand, four hundred seventy".