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55900938 = 239316823
BaseRepresentation
bin1101010100111…
…1101100001010
310220012001200010
43111033230022
5103302312223
65314052350
71246102332
oct325175412
9126161603
1055900938
1129611225
121687a0b6
13b7732a2
1475d20c2
154d93393
hex354fb0a

55900938 has 8 divisors (see below), whose sum is σ = 111801888. Its totient is φ = 18633644.

The previous prime is 55900937. The next prime is 55900997. The reversal of 55900938 is 83900955.

It is a sphenic number, since it is the product of 3 distinct primes.

55900938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55900896 and 55900905.

It is not an unprimeable number, because it can be changed into a prime (55900931) 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, 4658406 + ... + 4658417.

It is an arithmetic number, because the mean of its divisors is an integer number (13975236).

Almost surely, 255900938 is an apocalyptic number.

55900938 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.

55900938 is a wasteful number, since it uses less digits than its factorization.

55900938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9316828.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 55900938 is about 7476.6929855385. The cubic root of 55900938 is about 382.3605096049.

The spelling of 55900938 in words is "fifty-five million, nine hundred thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9316823 18633646 27950469 55900938