52503939 has 12 divisors (see below), whose sum is σ = 80300376. Its totient is φ = 32943552.

The previous prime is 52503931. The next prime is 52503967. The reversal of 52503939 is 93930525.

It is not a de Polignac number, because 52503939 - 2³ = 52503931 is a prime.

It is a super-2 number, since 2×52503939² = 5513327221031442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52503931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171429 + ... + 171734.

It is an arithmetic number, because the mean of its divisors is an integer number (6691698).

Almost surely, 2^52503939 is an apocalyptic number.

52503939 is a deficient number, since it is larger than the sum of its proper divisors (27796437).

52503939 is a wasteful number, since it uses less digits than its factorization.

52503939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343186 (or 343183 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 52503939 is about 7245.9601848202. The cubic root of 52503939 is about 374.4529837833.

The spelling of 52503939 in words is "fifty-two million, five hundred three thousand, nine hundred thirty-nine".