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55248268900 = 22521150225699
BaseRepresentation
bin110011011101000011…
…011010111001100100
312021121100100212002111
4303131003122321210
51401122024101100
641214122050404
73664050352156
oct633503327144
9167540325074
1055248268900
1121481231170
12a85a649a04
135296186096
14296177aad6
1516854dc6ba
hexcdd0dae64

55248268900 has 36 divisors (see below), whose sum is σ = 130787722800. Its totient is φ = 20090279200.

The previous prime is 55248268897. The next prime is 55248268919. The reversal of 55248268900 is 986284255.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25111750 + ... + 25113949.

It is an arithmetic number, because the mean of its divisors is an integer number (3632992300).

Almost surely, 255248268900 is an apocalyptic number.

55248268900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55248268900 is an abundant number, since it is smaller than the sum of its proper divisors (75539453900).

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

55248268900 is a wasteful number, since it uses less digits than its factorization.

55248268900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50225724 (or 50225717 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 55248268900 in words is "fifty-five billion, two hundred forty-eight million, two hundred sixty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 50225699 100451398 200902796 251128495 502256990 552482689 1004513980 1104965378 1255642475 2209930756 2511284950 2762413445 5022569900 5524826890 11049653780 13812067225 27624134450 55248268900