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55838295 = 335439619
BaseRepresentation
bin1101010100000…
…0011001010111
310220001212202000
43111000121113
5103243311140
65312450343
71245421602
oct325003127
9126055660
1055838295
1129579157
12168499b3
13b750916
1475b7339
154d7ea30
hex3540657

55838295 has 32 divisors (see below), whose sum is σ = 101587200. Its totient is φ = 29084832.

The previous prime is 55838281. The next prime is 55838297. The reversal of 55838295 is 59283855.

55838295 is a `hidden beast` number, since 558 + 3 + 8 + 2 + 95 = 666.

It is not a de Polignac number, because 55838295 - 26 = 55838231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55838295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55838297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 996 + ... + 10614.

It is an arithmetic number, because the mean of its divisors is an integer number (3174600).

Almost surely, 255838295 is an apocalyptic number.

55838295 is a deficient number, since it is larger than the sum of its proper divisors (45748905).

55838295 is a wasteful number, since it uses less digits than its factorization.

55838295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9676 (or 9670 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 55838295 is about 7472.5025928400. The cubic root of 55838295 is about 382.2176308934.

The spelling of 55838295 in words is "fifty-five million, eight hundred thirty-eight thousand, two hundred ninety-five".

Divisors: 1 3 5 9 15 27 43 45 129 135 215 387 645 1161 1935 5805 9619 28857 48095 86571 144285 259713 413617 432855 1240851 1298565 2068085 3722553 6204255 11167659 18612765 55838295