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55863892 = 2271995139
BaseRepresentation
bin1101010100011…
…0101001010100
310220010011212001
43111012221110
5103300121032
65313205044
71245556330
oct325065124
9126104761
1055863892
1129596407
1216860784
13b75c476
1475c27c0
154d873e7
hex3546a54

55863892 has 12 divisors (see below), whose sum is σ = 111727840. Its totient is φ = 23941656.

The previous prime is 55863859. The next prime is 55863893. The reversal of 55863892 is 29836855.

55863892 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55863893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997542 + ... + 997597.

Almost surely, 255863892 is an apocalyptic number.

It is an amenable number.

55863892 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.

55863892 is a wasteful number, since it uses less digits than its factorization.

55863892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995150 (or 1995148 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 55863892 is about 7474.2151427424. The cubic root of 55863892 is about 382.2760264807.

The spelling of 55863892 in words is "fifty-five million, eight hundred sixty-three thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 1995139 3990278 7980556 13965973 27931946 55863892