52215758 has 8 divisors (see below), whose sum is σ = 89512752. Its totient is φ = 22378176.

The previous prime is 52215739. The next prime is 52215763. The reversal of 52215758 is 85751225.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864835 + ... + 1864862.

It is an arithmetic number, because the mean of its divisors is an integer number (11189094).

Almost surely, 2^52215758 is an apocalyptic number.

52215758 is a deficient number, since it is larger than the sum of its proper divisors (37296994).

52215758 is a wasteful number, since it uses less digits than its factorization.

52215758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729706.

The product of its digits is 28000, while the sum is 35.

The square root of 52215758 is about 7226.0471905462. The cubic root of 52215758 is about 373.7666335628.

The spelling of 52215758 in words is "fifty-two million, two hundred fifteen thousand, seven hundred fifty-eight".