52018867 has 4 divisors (see below), whose sum is σ = 52795336. Its totient is φ = 51242400.

The previous prime is 52018859. The next prime is 52018877. The reversal of 52018867 is 76881025.

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

It is a cyclic number.

It is not a de Polignac number, because 52018867 - 2³ = 52018859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52018807) 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, 388134 + ... + 388267.

It is an arithmetic number, because the mean of its divisors is an integer number (13198834).

Almost surely, 2^52018867 is an apocalyptic number.

52018867 is a deficient number, since it is larger than the sum of its proper divisors (776469).

52018867 is an equidigital number, since it uses as much as digits as its factorization.

52018867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776468.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 52018867 is about 7212.4106233630. The cubic root of 52018867 is about 373.2962520745.

The spelling of 52018867 in words is "fifty-two million, eighteen thousand, eight hundred sixty-seven".