54691560 has 192 divisors, whose sum is σ = 221719680. Its totient is φ = 11358720.

The previous prime is 54691547. The next prime is 54691577. The reversal of 54691560 is 6519645.

54691560 is a `hidden beast` number, since 5 + 4 + 6 + 91 + 560 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26734 + ... + 28706.

It is an arithmetic number, because the mean of its divisors is an integer number (1154790).

Almost surely, 2^54691560 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 54691560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110859840).

54691560 is an abundant number, since it is smaller than the sum of its proper divisors (167028120).

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

54691560 is a wasteful number, since it uses less digits than its factorization.

54691560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 2001 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 54691560 is about 7395.3742298818. The cubic root of 54691560 is about 379.5830144339.

The spelling of 54691560 in words is "fifty-four million, six hundred ninety-one thousand, five hundred sixty".