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54856422 = 23231372657
BaseRepresentation
bin1101000101000…
…0101011100110
310211012222212100
43101100223212
5103020401142
65235432530
71234162155
oct321205346
9124188770
1054856422
1128a68495
1216455746
13b498a2a
1473dd59c
154c38b4c
hex3450ae6

54856422 has 48 divisors (see below), whose sum is σ = 126052992. Its totient is φ = 17210880.

The previous prime is 54856421. The next prime is 54856427. The reversal of 54856422 is 22465845.

It is a happy number.

54856422 is a `hidden beast` number, since 5 + 4 + 8 + 5 + 642 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54856421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19318 + ... + 21974.

It is an arithmetic number, because the mean of its divisors is an integer number (2626104).

Almost surely, 254856422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54856422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63026496).

54856422 is an abundant number, since it is smaller than the sum of its proper divisors (71196570).

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

54856422 is a wasteful number, since it uses less digits than its factorization.

54856422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2730 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 54856422 is about 7406.5121346015. The cubic root of 54856422 is about 379.9640363010.

It can be divided in two parts, 54856 and 422, that added together give a triangular number (55278 = T332).

The spelling of 54856422 in words is "fifty-four million, eight hundred fifty-six thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 31 37 62 74 93 111 186 222 279 333 558 666 1147 2294 2657 3441 5314 6882 7971 10323 15942 20646 23913 47826 82367 98309 164734 196618 247101 294927 494202 589854 741303 884781 1482606 1769562 3047579 6095158 9142737 18285474 27428211 54856422