54556920 has 192 divisors, whose sum is σ = 202176000. Its totient is φ = 12629760.

The previous prime is 54556913. The next prime is 54556933. The reversal of 54556920 is 2965545.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90781 + ... + 91379.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^54556920 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 54556920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101088000).

54556920 is an abundant number, since it is smaller than the sum of its proper divisors (147619080).

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

54556920 is a wasteful number, since it uses less digits than its factorization.

54556920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 54556920 is about 7386.2656329163. The cubic root of 54556920 is about 379.2712719209.

The spelling of 54556920 in words is "fifty-four million, five hundred fifty-six thousand, nine hundred twenty".