52503553 has 4 divisors (see below), whose sum is σ = 54197248. Its totient is φ = 50809860.

The previous prime is 52503541. The next prime is 52503557. The reversal of 52503553 is 35530525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52503553 - 2²¹ = 50406401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52503557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846801 + ... + 846862.

It is an arithmetic number, because the mean of its divisors is an integer number (13549312).

Almost surely, 2^52503553 is an apocalyptic number.

It is an amenable number.

52503553 is a deficient number, since it is larger than the sum of its proper divisors (1693695).

52503553 is a wasteful number, since it uses less digits than its factorization.

52503553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693694.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 52503553 is about 7245.9335492399. The cubic root of 52503553 is about 374.4520661429.

The spelling of 52503553 in words is "fifty-two million, five hundred three thousand, five hundred fifty-three".