52502069 has 4 divisors (see below), whose sum is σ = 55590444. Its totient is φ = 49413696.

The previous prime is 52502053. The next prime is 52502081. The reversal of 52502069 is 96020525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20160100 + 32341969 = 4490^2 + 5687^2 .

It is not a de Polignac number, because 52502069 - 2⁴ = 52502053 is a prime.

It is a super-2 number, since 2×52502069² = 5512934498561522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52502039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544162 + ... + 1544195.

It is an arithmetic number, because the mean of its divisors is an integer number (13897611).

Almost surely, 2^52502069 is an apocalyptic number.

It is an amenable number.

52502069 is a deficient number, since it is larger than the sum of its proper divisors (3088375).

52502069 is a wasteful number, since it uses less digits than its factorization.

52502069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088374.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 52502069 is about 7245.8311462523. The cubic root of 52502069 is about 374.4485381779.

The spelling of 52502069 in words is "fifty-two million, five hundred two thousand, sixty-nine".