52742879 has 8 divisors (see below), whose sum is σ = 63450240. Its totient is φ = 42828696.

The previous prime is 52742861. The next prime is 52742903. The reversal of 52742879 is 97824725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52742879 - 2⁸ = 52742623 is a prime.

It is a super-2 number, since 2×52742879² = 5563622570417282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52742819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198149 + ... + 198414.

It is an arithmetic number, because the mean of its divisors is an integer number (7931280).

Almost surely, 2^52742879 is an apocalyptic number.

52742879 is a deficient number, since it is larger than the sum of its proper divisors (10707361).

52742879 is a wasteful number, since it uses less digits than its factorization.

52742879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396589.

The product of its digits is 282240, while the sum is 44.

The square root of 52742879 is about 7262.4292767641. The cubic root of 52742879 is about 375.0201565462.

The spelling of 52742879 in words is "fifty-two million, seven hundred forty-two thousand, eight hundred seventy-nine".