Search a number
-
+
55014861 = 3111987743
BaseRepresentation
bin1101000111011…
…1010111001101
310211112001012110
43101313113031
5103040433421
65243054233
71235422116
oct321672715
9124461173
1055014861
1129066530
1216511379
13b522b95
14744120d
154c6aa76
hex34775cd

55014861 has 16 divisors (see below), whose sum is σ = 84234240. Its totient is φ = 31587120.

The previous prime is 55014857. The next prime is 55014877. The reversal of 55014861 is 16841055.

It is not a de Polignac number, because 55014861 - 22 = 55014857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55014821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43245 + ... + 44498.

It is an arithmetic number, because the mean of its divisors is an integer number (5264640).

Almost surely, 255014861 is an apocalyptic number.

It is an amenable number.

55014861 is a deficient number, since it is larger than the sum of its proper divisors (29219379).

55014861 is a wasteful number, since it uses less digits than its factorization.

55014861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87776.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 55014861 is about 7417.2003478401. The cubic root of 55014861 is about 380.3294949168.

The spelling of 55014861 in words is "fifty-five million, fourteen thousand, eight hundred sixty-one".

Divisors: 1 3 11 19 33 57 209 627 87743 263229 965173 1667117 2895519 5001351 18338287 55014861