55492560 has 160 divisors (see below), whose sum is σ = 199630080. Its totient is φ = 14141952.

The previous prime is 55492529. The next prime is 55492561. The reversal of 55492560 is 6529455.

55492560 is a `hidden beast` number, since 5 + 5 + 4 + 92 + 560 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55492561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49122 + ... + 50238.

It is an arithmetic number, because the mean of its divisors is an integer number (1247688).

Almost surely, 2^55492560 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 55492560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99815040).

55492560 is an abundant number, since it is smaller than the sum of its proper divisors (144137520).

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

55492560 is a wasteful number, since it uses less digits than its factorization.

55492560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1150 counting only the distinct ones).

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

The square root of 55492560 is about 7449.3328560348. The cubic root of 55492560 is about 381.4271358180.

The spelling of 55492560 in words is "fifty-five million, four hundred ninety-two thousand, five hundred sixty".