55569360 has 320 divisors, whose sum is σ = 223985664. Its totient is φ = 11059200.

The previous prime is 55569347. The next prime is 55569361. The reversal of 55569360 is 6396555.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55569361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 572832 + ... + 572928.

Almost surely, 2^55569360 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 55569360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111992832).

55569360 is an abundant number, since it is smaller than the sum of its proper divisors (168416304).

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

55569360 is a wasteful number, since it uses less digits than its factorization.

55569360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 39.

The square root of 55569360 is about 7454.4858977665. The cubic root of 55569360 is about 381.6030158555.

The spelling of 55569360 in words is "fifty-five million, five hundred sixty-nine thousand, three hundred sixty".