54715620 has 96 divisors (see below), whose sum is σ = 165150720. Its totient is φ = 13495680.

The previous prime is 54715613. The next prime is 54715667. The reversal of 54715620 is 2651745.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 42141 + ... + 43419.

It is an arithmetic number, because the mean of its divisors is an integer number (1720320).

Almost surely, 2^54715620 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 54715620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82575360).

54715620 is an abundant number, since it is smaller than the sum of its proper divisors (110435100).

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

54715620 is a wasteful number, since it uses less digits than its factorization.

54715620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 54715620 is about 7397.0007435446. Note that the first 3 decimals coincide. The cubic root of 54715620 is about 379.6386685325.

The spelling of 54715620 in words is "fifty-four million, seven hundred fifteen thousand, six hundred twenty".