52279505 has 8 divisors (see below), whose sum is σ = 66425832. Its totient is φ = 39363328.

The previous prime is 52279499. The next prime is 52279511. The reversal of 52279505 is 50597225.

It is an interprime number because it is at equal distance from previous prime (52279499) and next prime (52279511).

It can be written as a sum of positive squares in 4 ways, for example, as 425104 + 51854401 = 652^2 + 7201^2 .

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 52279505 - 2⁶ = 52279441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307442 + ... + 307611.

It is an arithmetic number, because the mean of its divisors is an integer number (8303229).

Almost surely, 2^52279505 is an apocalyptic number.

It is an amenable number.

52279505 is a deficient number, since it is larger than the sum of its proper divisors (14146327).

52279505 is a wasteful number, since it uses less digits than its factorization.

52279505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615075.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 52279505 is about 7230.4567628885. The cubic root of 52279505 is about 373.9186745876.

The spelling of 52279505 in words is "fifty-two million, two hundred seventy-nine thousand, five hundred five".