Base | Representation |
---|---|
bin | 1100110111010… |
… | …0110010101100 |
3 | 10202112020101100 |
4 | 3031310302230 |
5 | 102303041011 |
6 | 5204243100 |
7 | 1223421261 |
oct | 315646254 |
9 | 122466340 |
10 | 53955756 |
11 | 28502838 |
12 | 160a0490 |
13 | b241aaa |
14 | 7247268 |
15 | 4b0bd56 |
hex | 3374cac |
53955756 has 72 divisors (see below), whose sum is σ = 145729584. Its totient is φ = 16773120.
The previous prime is 53955743. The next prime is 53955761. The reversal of 53955756 is 65755935.
53955756 = 2613 + 2623 + 2633.
It is a super-2 number, since 2×539557562 = 5822447211063072, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79836 + ... + 80508.
It is an arithmetic number, because the mean of its divisors is an integer number (2024022).
Almost surely, 253955756 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 53955756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72864792).
53955756 is an abundant number, since it is smaller than the sum of its proper divisors (91773828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53955756 is a wasteful number, since it uses less digits than its factorization.
53955756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 831 (or 826 counting only the distinct ones).
The product of its digits is 708750, while the sum is 45.
The square root of 53955756 is about 7345.4581885680. The cubic root of 53955756 is about 377.8730572311.
The spelling of 53955756 in words is "fifty-three million, nine hundred fifty-five thousand, seven hundred fifty-six".
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