52503165 has 96 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 22809600.

The previous prime is 52503149. The next prime is 52503167. The reversal of 52503165 is 56130525.

It is not a de Polignac number, because 52503165 - 2⁴ = 52503149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52503167) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 263736 + ... + 263934.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 2^52503165 is an apocalyptic number.

52503165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52503165 is an abundant number, since it is smaller than the sum of its proper divisors (57570435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52503165 is a wasteful number, since it uses less digits than its factorization.

52503165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 52503165 is about 7245.9067755527. The cubic root of 52503165 is about 374.4511437434.

The spelling of 52503165 in words is "fifty-two million, five hundred three thousand, one hundred sixty-five".