55838280 has 32 divisors (see below), whose sum is σ = 167515200. Its totient is φ = 14890176.

The previous prime is 55838239. The next prime is 55838281. The reversal of 55838280 is 8283855.

It is not an unprimeable number, because it can be changed into a prime (55838281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232540 + ... + 232779.

It is an arithmetic number, because the mean of its divisors is an integer number (5234850).

Almost surely, 2^55838280 is an apocalyptic number.

It is an amenable number.

55838280 is an abundant number, since it is smaller than the sum of its proper divisors (111676920).

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

55838280 is a wasteful number, since it uses less digits than its factorization.

55838280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465333 (or 465329 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 55838280 is about 7472.5015891601. The cubic root of 55838280 is about 382.2175966680.

The spelling of 55838280 in words is "fifty-five million, eight hundred thirty-eight thousand, two hundred eighty".