52389615 has 8 divisors (see below), whose sum is σ = 83823408. Its totient is φ = 27941120.

The previous prime is 52389587. The next prime is 52389629. The reversal of 52389615 is 51698325.

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

It is a de Polignac number, because none of the positive numbers 2^k-52389615 is a prime.

It is a congruent 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, 1746306 + ... + 1746335.

It is an arithmetic number, because the mean of its divisors is an integer number (10477926).

Almost surely, 2^52389615 is an apocalyptic number.

52389615 is a deficient number, since it is larger than the sum of its proper divisors (31433793).

52389615 is a wasteful number, since it uses less digits than its factorization.

52389615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492649.

The product of its digits is 64800, while the sum is 39.

The square root of 52389615 is about 7238.0670762297. The cubic root of 52389615 is about 374.1810037336.

The spelling of 52389615 in words is "fifty-two million, three hundred eighty-nine thousand, six hundred fifteen".