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52555279 = 7172997157
BaseRepresentation
bin1100100001111…
…0111000001111
310122220002021211
43020132320033
5101423232104
65114235251
71205466250
oct310367017
9118802254
1052555279
1127736617
1215725b27
13ab714ca
146da0b27
154931e04
hex321ee0f

52555279 has 32 divisors (see below), whose sum is σ = 66890880. Its totient is φ = 40255488.

The previous prime is 52555219. The next prime is 52555289. The reversal of 52555279 is 97255525.

It is not a de Polignac number, because 52555279 - 211 = 52553231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52555219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334669 + ... + 334825.

It is an arithmetic number, because the mean of its divisors is an integer number (2090340).

Almost surely, 252555279 is an apocalyptic number.

52555279 is a deficient number, since it is larger than the sum of its proper divisors (14335601).

52555279 is a wasteful number, since it uses less digits than its factorization.

52555279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its digits is 157500, while the sum is 40.

The square root of 52555279 is about 7249.5019828951. The cubic root of 52555279 is about 374.5749946513.

The spelling of 52555279 in words is "fifty-two million, five hundred fifty-five thousand, two hundred seventy-nine".

Divisors: 1 7 17 29 97 119 157 203 493 679 1099 1649 2669 2813 3451 4553 11543 15229 18683 19691 31871 47821 77401 106603 258893 334747 441641 541807 1812251 3091487 7507897 52555279