Search a number
-
+
55257750696 = 2336287366217
BaseRepresentation
bin110011011101100111…
…100101110010101000
312021122000012120200010
4303131213211302220
51401131441010241
641215101211520
73664224062661
oct633547456250
9167560176603
1055257750696
1121486617a65
12a861860ba0
135298125b05
142962b28368
151686261d16
hexcdd9e5ca8

55257750696 has 32 divisors (see below), whose sum is σ = 138166727040. Its totient is φ = 18416270208.

The previous prime is 55257750689. The next prime is 55257750767. The reversal of 55257750696 is 69605775255.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32221 + ... + 333996.

It is an arithmetic number, because the mean of its divisors is an integer number (4317710220).

Almost surely, 255257750696 is an apocalyptic number.

It is an amenable number.

55257750696 is an abundant number, since it is smaller than the sum of its proper divisors (82908976344).

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

55257750696 is a wasteful number, since it uses less digits than its factorization.

55257750696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372513 (or 372509 counting only the distinct ones).

The product of its (nonzero) digits is 19845000, while the sum is 57.

The spelling of 55257750696 in words is "fifty-five billion, two hundred fifty-seven million, seven hundred fifty thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 6287 12574 18861 25148 37722 50296 75444 150888 366217 732434 1098651 1464868 2197302 2929736 4394604 8789208 2302406279 4604812558 6907218837 9209625116 13814437674 18419250232 27628875348 55257750696