52279379 has 4 divisors (see below), whose sum is σ = 53136480. Its totient is φ = 51422280.

The previous prime is 52279351. The next prime is 52279427. The reversal of 52279379 is 97397225.

It is a happy number.

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 52279379 - 2¹² = 52275283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52279309) 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, 428459 + ... + 428580.

It is an arithmetic number, because the mean of its divisors is an integer number (13284120).

Almost surely, 2^52279379 is an apocalyptic number.

52279379 is a deficient number, since it is larger than the sum of its proper divisors (857101).

52279379 is an equidigital number, since it uses as much as digits as its factorization.

52279379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857100.

The product of its digits is 238140, while the sum is 44.

The square root of 52279379 is about 7230.4480497408. The cubic root of 52279379 is about 373.9183741907.

The spelling of 52279379 in words is "fifty-two million, two hundred seventy-nine thousand, three hundred seventy-nine".