52503531 has 8 divisors (see below), whose sum is σ = 74122704. Its totient is φ = 32943360.

The previous prime is 52503523. The next prime is 52503541. The reversal of 52503531 is 13530525.

52503531 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 not a de Polignac number, because 52503531 - 2³ = 52503523 is a prime.

It is a super-2 number, since 2×52503531² = 5513241534935922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52503541) 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, 514690 + ... + 514791.

It is an arithmetic number, because the mean of its divisors is an integer number (9265338).

Almost surely, 2^52503531 is an apocalyptic number.

52503531 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

52503531 is a deficient number, since it is larger than the sum of its proper divisors (21619173).

52503531 is a wasteful number, since it uses less digits than its factorization.

52503531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029501.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 52503531 is about 7245.9320311469. The cubic root of 52503531 is about 374.4520138421.

The spelling of 52503531 in words is "fifty-two million, five hundred three thousand, five hundred thirty-one".