55302730560 has 1120 divisors, whose sum is σ = 248370059520. Its totient is φ = 11441295360.

The previous prime is 55302730537. The next prime is 55302730577. The reversal of 55302730560 is 6503720355.

55302730560 is a `hidden beast` number, since 5 + 530 + 2 + 73 + 0 + 56 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 241496526 + ... + 241496754.

Almost surely, 2^55302730560 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 55302730560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124185029760).

55302730560 is an abundant number, since it is smaller than the sum of its proper divisors (193067328960).

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

55302730560 is a wasteful number, since it uses less digits than its factorization.

55302730560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The spelling of 55302730560 in words is "fifty-five billion, three hundred two million, seven hundred thirty thousand, five hundred sixty".