52786617 has 16 divisors (see below), whose sum is σ = 79786560. Its totient is φ = 30773952.

The previous prime is 52786609. The next prime is 52786621. The reversal of 52786617 is 71668725.

It is not a de Polignac number, because 52786617 - 2³ = 52786609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52786607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34878 + ... + 36359.

It is an arithmetic number, because the mean of its divisors is an integer number (4986660).

Almost surely, 2^52786617 is an apocalyptic number.

52786617 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

52786617 is a deficient number, since it is larger than the sum of its proper divisors (26999943).

52786617 is a wasteful number, since it uses less digits than its factorization.

52786617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71272.

The product of its digits is 141120, while the sum is 42.

The square root of 52786617 is about 7265.4399040939. The cubic root of 52786617 is about 375.1237920192.

The spelling of 52786617 in words is "fifty-two million, seven hundred eighty-six thousand, six hundred seventeen".