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55289094 = 2371316407
BaseRepresentation
bin1101001011101…
…0010100000110
310212000222101020
43102322110012
5103123222334
65253012010
71240643460
oct322722406
9125028336
1055289094
1129233573
1216624006
13b5ba953
1474b3130
154cc1e49
hex34ba506

55289094 has 16 divisors (see below), whose sum is σ = 126375168. Its totient is φ = 15796872.

The previous prime is 55289081. The next prime is 55289131. The reversal of 55289094 is 49098255.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1316407 = 55289094 / (5 + 5 + 2 + 8 + 9 + 0 + 9 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658162 + ... + 658245.

It is an arithmetic number, because the mean of its divisors is an integer number (7898448).

Almost surely, 255289094 is an apocalyptic number.

55289094 is an abundant number, since it is smaller than the sum of its proper divisors (71086074).

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

55289094 is a wasteful number, since it uses less digits than its factorization.

55289094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316419.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 55289094 is about 7435.6636556531. The cubic root of 55289094 is about 380.9603915811.

The spelling of 55289094 in words is "fifty-five million, two hundred eighty-nine thousand, ninety-four".

Divisors: 1 2 3 6 7 14 21 42 1316407 2632814 3949221 7898442 9214849 18429698 27644547 55289094