54551560 has 32 divisors (see below), whose sum is σ = 140276160. Its totient is φ = 18703296.

The previous prime is 54551551. The next prime is 54551569. The reversal of 54551560 is 6515545.

It is an interprime number because it is at equal distance from previous prime (54551551) and next prime (54551569).

It is not an unprimeable number, because it can be changed into a prime (54551569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97134 + ... + 97693.

It is an arithmetic number, because the mean of its divisors is an integer number (4383630).

Almost surely, 2^54551560 is an apocalyptic number.

It is an amenable number.

54551560 is an abundant number, since it is smaller than the sum of its proper divisors (85724600).

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

54551560 is a wasteful number, since it uses less digits than its factorization.

54551560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194845 (or 194841 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 54551560 is about 7385.9027884207. The cubic root of 54551560 is about 379.2588508837.

The spelling of 54551560 in words is "fifty-four million, five hundred fifty-one thousand, five hundred sixty".