55853604 has 48 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 18433440.

The previous prime is 55853563. The next prime is 55853617. The reversal of 55853604 is 40635855.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8614 + ... + 13634.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2^55853604 is an apocalyptic number.

55853604 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55853604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73120320).

55853604 is an abundant number, since it is smaller than the sum of its proper divisors (90387036).

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

55853604 is a wasteful number, since it uses less digits than its factorization.

55853604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 55853604 is about 7473.5268782550. The cubic root of 55853604 is about 382.2525581480.

The spelling of 55853604 in words is "fifty-five million, eight hundred fifty-three thousand, six hundred four".