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52656053 = 428912277
BaseRepresentation
bin1100100011011…
…1011110110101
310200002012112012
43020313132311
5101434443203
65120334005
71206366122
oct310673665
9120065465
1052656053
11277a52aa
1215774305
13aba8338
146dc9749
154951bd8
hex32377b5

52656053 has 4 divisors (see below), whose sum is σ = 52672620. Its totient is φ = 52639488.

The previous prime is 52656029. The next prime is 52656061. The reversal of 52656053 is 35065625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27636049 + 25020004 = 5257^2 + 5002^2 .

It is a cyclic number.

It is not a de Polignac number, because 52656053 - 212 = 52651957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52650053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (13168155).

Almost surely, 252656053 is an apocalyptic number.

It is an amenable number.

52656053 is a deficient number, since it is larger than the sum of its proper divisors (16567).

52656053 is a wasteful number, since it uses less digits than its factorization.

52656053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16566.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 52656053 is about 7256.4490627303. The cubic root of 52656053 is about 374.8142558647.

The spelling of 52656053 in words is "fifty-two million, six hundred fifty-six thousand, fifty-three".

Divisors: 1 4289 12277 52656053