52149379 has 4 divisors (see below), whose sum is σ = 52197184. Its totient is φ = 52101576.

The previous prime is 52149359. The next prime is 52149389. The reversal of 52149379 is 97394125.

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-52149379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52149359) 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, 22227 + ... + 24460.

It is an arithmetic number, because the mean of its divisors is an integer number (13049296).

Almost surely, 2^52149379 is an apocalyptic number.

52149379 is a deficient number, since it is larger than the sum of its proper divisors (47805).

52149379 is a wasteful number, since it uses less digits than its factorization.

52149379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47804.

The product of its digits is 68040, while the sum is 40.

The square root of 52149379 is about 7221.4526931913. The cubic root of 52149379 is about 373.6081834637.

The spelling of 52149379 in words is "fifty-two million, one hundred forty-nine thousand, three hundred seventy-nine".