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55537079 = 1317793181
BaseRepresentation
bin1101001111011…
…0110110110111
310212111120112212
43103312312313
5103204141304
65302204035
71243025453
oct323666667
9125446485
1055537079
1129392914
121672361b
13b6767a0
147539663
154d2066e
hex34f6db7

55537079 has 16 divisors (see below), whose sum is σ = 64149120. Its totient is φ = 47623680.

The previous prime is 55537073. The next prime is 55537087. The reversal of 55537079 is 97073555.

It is a happy number.

It is not a de Polignac number, because 55537079 - 24 = 55537063 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55537073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15869 + ... + 19049.

It is an arithmetic number, because the mean of its divisors is an integer number (4009320).

Almost surely, 255537079 is an apocalyptic number.

55537079 is a deficient number, since it is larger than the sum of its proper divisors (8612041).

55537079 is a wasteful number, since it uses less digits than its factorization.

55537079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290.

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 55537079 is about 7452.3203769028. The cubic root of 55537079 is about 381.5291087415.

The spelling of 55537079 in words is "fifty-five million, five hundred thirty-seven thousand, seventy-nine".

Divisors: 1 13 17 79 221 1027 1343 3181 17459 41353 54077 251299 703001 3266887 4272083 55537079