55800248 has 32 divisors (see below), whose sum is σ = 123432960. Its totient is φ = 23142240.

The previous prime is 55800247. The next prime is 55800259. The reversal of 55800248 is 84200855.

It is a super-2 number, since 2×55800248² = 6227335353723008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55800247) 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, 14336 + ... + 17807.

It is an arithmetic number, because the mean of its divisors is an integer number (3857280).

Almost surely, 2^55800248 is an apocalyptic number.

It is an amenable number.

55800248 is an abundant number, since it is smaller than the sum of its proper divisors (67632712).

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

55800248 is a wasteful number, since it uses less digits than its factorization.

55800248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32187 (or 32183 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 55800248 is about 7469.9563586409. The cubic root of 55800248 is about 382.1307995746.

It can be divided in two parts, 55800 and 248, that multiplied together give a square (13838400 = 3720²).

The spelling of 55800248 in words is "fifty-five million, eight hundred thousand, two hundred forty-eight".