52487229 has 4 divisors (see below), whose sum is σ = 69982976. Its totient is φ = 34991484.

The previous prime is 52487221. The next prime is 52487231. The reversal of 52487229 is 92278425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52487229 - 2³ = 52487221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52487221) 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, 8747869 + ... + 8747874.

It is an arithmetic number, because the mean of its divisors is an integer number (17495744).

Almost surely, 2^52487229 is an apocalyptic number.

It is an amenable number.

52487229 is a deficient number, since it is larger than the sum of its proper divisors (17495747).

52487229 is a wasteful number, since it uses less digits than its factorization.

52487229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17495746.

The product of its digits is 80640, while the sum is 39.

The square root of 52487229 is about 7244.8070367678. The cubic root of 52487229 is about 374.4132548703.

The spelling of 52487229 in words is "fifty-two million, four hundred eighty-seven thousand, two hundred twenty-nine".