52803513 has 48 divisors (see below), whose sum is σ = 94348800. Its totient is φ = 27767808.

The previous prime is 52803511. The next prime is 52803533. The reversal of 52803513 is 31530825.

It is not a de Polignac number, because 52803513 - 2¹ = 52803511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52803511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49813 + ... + 50861.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^52803513 is an apocalyptic number.

It is an amenable number.

52803513 is a deficient number, since it is larger than the sum of its proper divisors (41545287).

52803513 is a wasteful number, since it uses less digits than its factorization.

52803513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 52803513 is about 7266.6025761700. The cubic root of 52803513 is about 375.1638110987.

The spelling of 52803513 in words is "fifty-two million, eight hundred three thousand, five hundred thirteen".