52243087 has 4 divisors (see below), whose sum is σ = 56261800. Its totient is φ = 48224376.

The previous prime is 52243073. The next prime is 52243129. The reversal of 52243087 is 78034225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52243087 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 (52243187) 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, 2009337 + ... + 2009362.

It is an arithmetic number, because the mean of its divisors is an integer number (14065450).

Almost surely, 2^52243087 is an apocalyptic number.

52243087 is a deficient number, since it is larger than the sum of its proper divisors (4018713).

52243087 is a wasteful number, since it uses less digits than its factorization.

52243087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018712.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 52243087 is about 7227.9379493739. The cubic root of 52243087 is about 373.8318302721.

The spelling of 52243087 in words is "fifty-two million, two hundred forty-three thousand, eighty-seven".