52491023 has 4 divisors (see below), whose sum is σ = 56528808. Its totient is φ = 48453240.

The previous prime is 52491017. The next prime is 52491031. The reversal of 52491023 is 32019425.

52491023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52491023 - 2⁴ = 52491007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52490983 and 52491001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52491323) 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 3 ways as a sum of consecutive naturals, for example, 2018873 + ... + 2018898.

It is an arithmetic number, because the mean of its divisors is an integer number (14132202).

Almost surely, 2^52491023 is an apocalyptic number.

52491023 is a deficient number, since it is larger than the sum of its proper divisors (4037785).

52491023 is a wasteful number, since it uses less digits than its factorization.

52491023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037784.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 52491023 is about 7245.0688747589. The cubic root of 52491023 is about 374.4222760468.

The spelling of 52491023 in words is "fifty-two million, four hundred ninety-one thousand, twenty-three".