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55338950 = 2521106779
BaseRepresentation
bin1101001100011…
…0011111000110
310212010111202202
43103012133012
5103131321300
65254034502
71241242022
oct323063706
9125114682
1055338950
1129267a77
1216648a32
13b607554
1474c7382
154cd1ad5
hex34c67c6

55338950 has 12 divisors (see below), whose sum is σ = 102930540. Its totient is φ = 22135560.

The previous prime is 55338919. The next prime is 55338953. The reversal of 55338950 is 5983355.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55338953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 553340 + ... + 553439.

It is an arithmetic number, because the mean of its divisors is an integer number (8577545).

Almost surely, 255338950 is an apocalyptic number.

55338950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55338950 is a deficient number, since it is larger than the sum of its proper divisors (47591590).

55338950 is a wasteful number, since it uses less digits than its factorization.

55338950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106791 (or 1106786 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 55338950 is about 7439.0153918378. The cubic root of 55338950 is about 381.0748653639.

The spelling of 55338950 in words is "fifty-five million, three hundred thirty-eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 1106779 2213558 5533895 11067790 27669475 55338950