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52541057 = 115345569
BaseRepresentation
bin1100100001101…
…1011010000001
310122212100210002
43020123122001
5101422303212
65114045345
71205406632
oct310333201
9118770702
1052541057
1127726968
1215719855
13ab67baa
146d99889
15492cac2
hex321b681

52541057 has 4 divisors (see below), whose sum is σ = 52587780. Its totient is φ = 52494336.

The previous prime is 52541051. The next prime is 52541059. The reversal of 52541057 is 75014525.

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 46185616 + 6355441 = 6796^2 + 2521^2 .

It is a cyclic number.

It is not a de Polignac number, because 52541057 - 212 = 52536961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52541051) 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 3 ways as a sum of consecutive naturals, for example, 21632 + ... + 23937.

It is an arithmetic number, because the mean of its divisors is an integer number (13146945).

Almost surely, 252541057 is an apocalyptic number.

It is an amenable number.

52541057 is a deficient number, since it is larger than the sum of its proper divisors (46723).

52541057 is a wasteful number, since it uses less digits than its factorization.

52541057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46722.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 52541057 is about 7248.5210215602. The cubic root of 52541057 is about 374.5412036521.

The spelling of 52541057 in words is "fifty-two million, five hundred forty-one thousand, fifty-seven".

Divisors: 1 1153 45569 52541057