Search a number
-
+
55647088 = 247496849
BaseRepresentation
bin1101010001000…
…1101101110000
310212201011110021
43110101231300
5103221201323
65304413224
71243664260
oct324215560
9125634407
1055647088
1129458532
1216777214
13b6b4893
1475677a0
154d4305d
hex3511b70

55647088 has 20 divisors (see below), whose sum is σ = 123218800. Its totient is φ = 23848704.

The previous prime is 55647079. The next prime is 55647167. The reversal of 55647088 is 88074655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248313 + ... + 248536.

It is an arithmetic number, because the mean of its divisors is an integer number (6160940).

Almost surely, 255647088 is an apocalyptic number.

It is an amenable number.

55647088 is an abundant number, since it is smaller than the sum of its proper divisors (67571712).

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

55647088 is a wasteful number, since it uses less digits than its factorization.

55647088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496864 (or 496858 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 55647088 is about 7459.6975810015. The cubic root of 55647088 is about 381.7808561877.

The spelling of 55647088 in words is "fifty-five million, six hundred forty-seven thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 496849 993698 1987396 3477943 3974792 6955886 7949584 13911772 27823544 55647088