52615879 has 2 divisors, whose sum is σ = 52615880. Its totient is φ = 52615878.

The previous prime is 52615861. The next prime is 52615907. The reversal of 52615879 is 97851625.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52615879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52615279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26307939 + 26307940.

It is an arithmetic number, because the mean of its divisors is an integer number (26307940).

Almost surely, 2^52615879 is an apocalyptic number.

52615879 is a deficient number, since it is larger than the sum of its proper divisors (1).

52615879 is an equidigital number, since it uses as much as digits as its factorization.

52615879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 43.

The square root of 52615879 is about 7253.6803761952. The cubic root of 52615879 is about 374.7189099476.

The spelling of 52615879 in words is "fifty-two million, six hundred fifteen thousand, eight hundred seventy-nine".