54972203520 has 320 divisors, whose sum is σ = 190686545280. Its totient is φ = 13429506048.

The previous prime is 54972203509. The next prime is 54972203537. The reversal of 54972203520 is 2530227945.

It is a tau number, because it is divible by the number of its divisors (320).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13676071 + ... + 13680089.

It is an arithmetic number, because the mean of its divisors is an integer number (595895454).

Almost surely, 2^54972203520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54972203520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95343272640).

54972203520 is an abundant number, since it is smaller than the sum of its proper divisors (135714341760).

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

54972203520 is a wasteful number, since it uses less digits than its factorization.

54972203520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195 (or 4179 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 54972203520 in words is "fifty-four billion, nine hundred seventy-two million, two hundred three thousand, five hundred twenty".