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55330808 = 2313532027
BaseRepresentation
bin1101001100010…
…0011111111000
310212010002121012
43103010133320
5103131041213
65253533052
71241206211
oct323043770
9125102535
1055330808
1129261945
1216644188
13b603930
1474c4408
154cce4a8
hex34c47f8

55330808 has 16 divisors (see below), whose sum is σ = 111725880. Its totient is φ = 25537248.

The previous prime is 55330783. The next prime is 55330813. The reversal of 55330808 is 80803355.

It is a super-2 number, since 2×553308082 = 6122996627865728, which contains 22 as substring.

It is a congruent number.

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, 265910 + ... + 266117.

Almost surely, 255330808 is an apocalyptic number.

It is an amenable number.

55330808 is an abundant number, since it is smaller than the sum of its proper divisors (56395072).

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

55330808 is a wasteful number, since it uses less digits than its factorization.

55330808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532046 (or 532042 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 55330808 is about 7438.4681218649. The cubic root of 55330808 is about 381.0561753109.

The spelling of 55330808 in words is "fifty-five million, three hundred thirty thousand, eight hundred eight".

Divisors: 1 2 4 8 13 26 52 104 532027 1064054 2128108 4256216 6916351 13832702 27665404 55330808