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53518804 = 22291812549
BaseRepresentation
bin1100110000101…
…0000111010100
310201201000222221
43030022013110
5102200100204
65151032124
71216621333
oct314120724
9121630887
1053518804
1128234519
1215b0b644
13b11ac41
147171d1a
154a72654
hex330a1d4

53518804 has 24 divisors (see below), whose sum is σ = 97461000. Its totient is φ = 25683840.

The previous prime is 53518799. The next prime is 53518807. The reversal of 53518804 is 40881535.

It can be written as a sum of positive squares in 4 ways, for example, as 5244100 + 48274704 = 2290^2 + 6948^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53518804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53518807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19722 + ... + 22270.

It is an arithmetic number, because the mean of its divisors is an integer number (4060875).

Almost surely, 253518804 is an apocalyptic number.

It is an amenable number.

53518804 is a deficient number, since it is larger than the sum of its proper divisors (43942196).

53518804 is a wasteful number, since it uses less digits than its factorization.

53518804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 53518804 is about 7315.6547212126. The cubic root of 53518804 is about 376.8502431789.

The spelling of 53518804 in words is "fifty-three million, five hundred eighteen thousand, eight hundred four".

Divisors: 1 2 4 29 58 116 181 362 724 2549 5098 5249 10196 10498 20996 73921 147842 295684 461369 922738 1845476 13379701 26759402 53518804