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55418608 = 247270687
BaseRepresentation
bin1101001101100…
…1111011110000
310212021120001001
43103121323300
5103141343413
65255451344
71242023200
oct323317360
9125246031
1055418608
1129311903
1216686b54
13b63489b
147508400
154cea4dd
hex34d9ef0

55418608 has 30 divisors (see below), whose sum is σ = 124905696. Its totient is φ = 23750496.

The previous prime is 55418537. The next prime is 55418651. The reversal of 55418608 is 80681455.

It is a super-2 number, since 2×554186082 = 6142444225315328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34560 + ... + 36127.

Almost surely, 255418608 is an apocalyptic number.

It is an amenable number.

55418608 is an abundant number, since it is smaller than the sum of its proper divisors (69487088).

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

55418608 is a wasteful number, since it uses less digits than its factorization.

55418608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70709 (or 70696 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 55418608 is about 7444.3675352578. The cubic root of 55418608 is about 381.2576245721.

The spelling of 55418608 in words is "fifty-five million, four hundred eighteen thousand, six hundred eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 70687 141374 282748 494809 565496 989618 1130992 1979236 3463663 3958472 6927326 7916944 13854652 27709304 55418608