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55054836 = 2233509767
BaseRepresentation
bin1101001000000…
…1000111110100
310211121002001000
43102001013310
5103043223321
65244003300
71235646504
oct322010764
9124532030
1055054836
1129093571
1216530530
13b538135
147451a04
154c77826
hex34811f4

55054836 has 24 divisors (see below), whose sum is σ = 142735040. Its totient is φ = 18351576.

The previous prime is 55054829. The next prime is 55054873. The reversal of 55054836 is 63845055.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55054836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254776 + ... + 254991.

Almost surely, 255054836 is an apocalyptic number.

It is an amenable number.

55054836 is an abundant number, since it is smaller than the sum of its proper divisors (87680204).

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

55054836 is a wasteful number, since it uses less digits than its factorization.

55054836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509780 (or 509772 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 55054836 is about 7419.8946084159. The cubic root of 55054836 is about 380.4215911876.

The spelling of 55054836 in words is "fifty-five million, fifty-four thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 509767 1019534 1529301 2039068 3058602 4587903 6117204 9175806 13763709 18351612 27527418 55054836