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52552903 = 136166271
BaseRepresentation
bin1100100001111…
…0010011000111
310122212222000211
43020132103013
5101423143103
65114220251
71205456314
oct310362307
9118788024
1052552903
1127734857
1215724687
13ab703c0
146d9dd0b
15493136d
hex321e4c7

52552903 has 8 divisors (see below), whose sum is σ = 57524096. Its totient is φ = 47714400.

The previous prime is 52552897. The next prime is 52552921. The reversal of 52552903 is 30925525.

52552903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52552903 - 213 = 52544711 is a prime.

It is a super-2 number, since 2×525529032 = 5523615227454818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52552103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32343 + ... + 33928.

It is an arithmetic number, because the mean of its divisors is an integer number (7190512).

Almost surely, 252552903 is an apocalyptic number.

52552903 is a deficient number, since it is larger than the sum of its proper divisors (4971193).

52552903 is a wasteful number, since it uses less digits than its factorization.

52552903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66345.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 52552903 is about 7249.3381077171. The cubic root of 52552903 is about 374.5693497785.

The spelling of 52552903 in words is "fifty-two million, five hundred fifty-two thousand, nine hundred three".

Divisors: 1 13 61 793 66271 861523 4042531 52552903