52537091 has 4 divisors (see below), whose sum is σ = 53170152. Its totient is φ = 51904032.

The previous prime is 52537049. The next prime is 52537103. The reversal of 52537091 is 19073525.

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

It is a cyclic number.

It is not a de Polignac number, because 52537091 - 2⁶ = 52537027 is a prime.

It is a super-3 number, since 3×52537091³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52534091) 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, 316406 + ... + 316571.

It is an arithmetic number, because the mean of its divisors is an integer number (13292538).

Almost surely, 2^52537091 is an apocalyptic number.

52537091 is a deficient number, since it is larger than the sum of its proper divisors (633061).

52537091 is an equidigital number, since it uses as much as digits as its factorization.

52537091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633060.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 52537091 is about 7248.2474433479. The cubic root of 52537091 is about 374.5317794806.

The spelling of 52537091 in words is "fifty-two million, five hundred thirty-seven thousand, ninety-one".