54415560 has 64 divisors (see below), whose sum is σ = 163742400. Its totient is φ = 14466816.

The previous prime is 54415549. The next prime is 54415561. The reversal of 54415560 is 6551445.

It is a super-2 number, since 2×54415560² = 5922106340227200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (54415561) 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, 65226 + ... + 66054.

It is an arithmetic number, because the mean of its divisors is an integer number (2558475).

Almost surely, 2^54415560 is an apocalyptic number.

It is an amenable number.

54415560 is an abundant number, since it is smaller than the sum of its proper divisors (109326840).

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

54415560 is a wasteful number, since it uses less digits than its factorization.

54415560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 54415560 is about 7376.6903147685. The cubic root of 54415560 is about 378.9434176407.

The spelling of 54415560 in words is "fifty-four million, four hundred fifteen thousand, five hundred sixty".