Search a number
-
+
53955844 = 2213488961
BaseRepresentation
bin1100110111010…
…0110100000100
310202112020111121
43031310310010
5102303041334
65204243324
71223421445
oct315646404
9122466447
1053955844
1128502908
12160a0544
13b241b47
1472472cc
154b0bdb4
hex3374d04

53955844 has 6 divisors (see below), whose sum is σ = 94422734. Its totient is φ = 26977920.

The previous prime is 53955827. The next prime is 53955851. The reversal of 53955844 is 44855935.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 16892100 = 6088^2 + 4110^2 .

It is a super-2 number, since 2×539558442 = 5822466203504672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53955844.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6744477 + ... + 6744484.

Almost surely, 253955844 is an apocalyptic number.

It is an amenable number.

53955844 is a deficient number, since it is larger than the sum of its proper divisors (40466890).

53955844 is a wasteful number, since it uses less digits than its factorization.

53955844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13488965 (or 13488963 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 53955844 is about 7345.4641786616. The cubic root of 53955844 is about 377.8732626637.

Subtracting from 53955844 its reverse (44855935), we obtain a palindrome (9099909).

The spelling of 53955844 in words is "fifty-three million, nine hundred fifty-five thousand, eight hundred forty-four".

Divisors: 1 2 4 13488961 26977922 53955844