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53801105 = 528613761
BaseRepresentation
bin1100110100111…
…1000010010001
310202020101020112
43031033002101
5102233113410
65201051105
71222205351
oct315170221
9122211215
1053801105
1128407626
1216026a95
13b1b9597
147206b61
154acb105
hex334f091

53801105 has 8 divisors (see below), whose sum is σ = 64601064. Its totient is φ = 43014400.

The previous prime is 53801101. The next prime is 53801131. The reversal of 53801105 is 50110835.

It can be written as a sum of positive squares in 4 ways, for example, as 5456896 + 48344209 = 2336^2 + 6953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53801105 - 22 = 53801101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53801101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12425 + ... + 16185.

It is an arithmetic number, because the mean of its divisors is an integer number (8075133).

Almost surely, 253801105 is an apocalyptic number.

It is an amenable number.

53801105 is a deficient number, since it is larger than the sum of its proper divisors (10799959).

53801105 is a wasteful number, since it uses less digits than its factorization.

53801105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6627.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 53801105 is about 7334.9236533177. The cubic root of 53801105 is about 377.5116847983.

The spelling of 53801105 in words is "fifty-three million, eight hundred one thousand, one hundred five".

Divisors: 1 5 2861 3761 14305 18805 10760221 53801105