Search a number
-
+
54856688 = 2417414919
BaseRepresentation
bin1101000101000…
…0101111110000
310211020000020012
43101100233300
5103020403223
65235434052
71234163015
oct321205760
9124200205
1054856688
1128a68707
1216455928
13b498ba3
1473dd70c
154c38c78
hex3450bf0

54856688 has 40 divisors (see below), whose sum is σ = 115305120. Its totient is φ = 25180160.

The previous prime is 54856687. The next prime is 54856699. The reversal of 54856688 is 88665845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54856687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8693 + ... + 13611.

It is an arithmetic number, because the mean of its divisors is an integer number (2882628).

Almost surely, 254856688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54856688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57652560).

54856688 is an abundant number, since it is smaller than the sum of its proper divisors (60448432).

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

54856688 is a wasteful number, since it uses less digits than its factorization.

54856688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985 (or 4979 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 50.

The square root of 54856688 is about 7406.5300917501. The cubic root of 54856688 is about 379.9646504513.

The spelling of 54856688 in words is "fifty-four million, eight hundred fifty-six thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 17 34 41 68 82 136 164 272 328 656 697 1394 2788 4919 5576 9838 11152 19676 39352 78704 83623 167246 201679 334492 403358 668984 806716 1337968 1613432 3226864 3428543 6857086 13714172 27428344 54856688