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52875291 = 375347507
BaseRepresentation
bin1100100110110…
…1000000011011
310200111100021010
43021231000123
5102014002131
65125145003
71211301240
oct311550033
9120440233
1052875291
1127934a97
121585b163
13ac54071
1470455c7
154996b46
hex326d01b

52875291 has 16 divisors (see below), whose sum is σ = 82093824. Its totient is φ = 29643744.

The previous prime is 52875289. The next prime is 52875311. The reversal of 52875291 is 19257825.

It is not a de Polignac number, because 52875291 - 21 = 52875289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52875241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22641 + ... + 24866.

It is an arithmetic number, because the mean of its divisors is an integer number (5130864).

Almost surely, 252875291 is an apocalyptic number.

52875291 is a deficient number, since it is larger than the sum of its proper divisors (29218533).

52875291 is a wasteful number, since it uses less digits than its factorization.

52875291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47570.

The product of its digits is 50400, while the sum is 39.

The square root of 52875291 is about 7271.5397956691. The cubic root of 52875291 is about 375.3337260282. Note that the first 3 decimals are identical.

The spelling of 52875291 in words is "fifty-two million, eight hundred seventy-five thousand, two hundred ninety-one".

Divisors: 1 3 7 21 53 159 371 1113 47507 142521 332549 997647 2517871 7553613 17625097 52875291