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55037668 = 2271965631
BaseRepresentation
bin1101000111110…
…0111011100100
310211120012111011
43101330323210
5103042201133
65243352004
71235545450
oct321747344
9124505434
1055037668
1129081684
1216522604
13b53038a
147449660
154c726cd
hex347cee4

55037668 has 12 divisors (see below), whose sum is σ = 110075392. Its totient is φ = 23587560.

The previous prime is 55037659. The next prime is 55037681. The reversal of 55037668 is 86673055.

55037668 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55037668.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982788 + ... + 982843.

Almost surely, 255037668 is an apocalyptic number.

It is an amenable number.

55037668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55037668 is a wasteful number, since it uses less digits than its factorization.

55037668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965642 (or 1965640 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 55037668 is about 7418.7376284648. The cubic root of 55037668 is about 380.3820442114.

The spelling of 55037668 in words is "fifty-five million, thirty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 1965631 3931262 7862524 13759417 27518834 55037668