55800852 has 48 divisors (see below), whose sum is σ = 136735872. Its totient is φ = 17677440.

The previous prime is 55800839. The next prime is 55800881. The reversal of 55800852 is 25800855.

It is a super-2 number, since 2×55800852² = 6227470167851808, which contains 22 as substring.

It is a congruent number.

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, 49398 + ... + 50514.

It is an arithmetic number, because the mean of its divisors is an integer number (2848664).

Almost surely, 2^55800852 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 55800852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68367936).

55800852 is an abundant number, since it is smaller than the sum of its proper divisors (80935020).

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

55800852 is a wasteful number, since it uses less digits than its factorization.

55800852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 55800852 is about 7469.9967871479. The cubic root of 55800852 is about 382.1321783389.

The spelling of 55800852 in words is "fifty-five million, eight hundred thousand, eight hundred fifty-two".