52261615 has 8 divisors (see below), whose sum is σ = 71673120. Its totient is φ = 35836512.

The previous prime is 52261613. The next prime is 52261661. The reversal of 52261615 is 51616225.

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 52261615 - 2¹ = 52261613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52261613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 746560 + ... + 746629.

It is an arithmetic number, because the mean of its divisors is an integer number (8959140).

Almost surely, 2^52261615 is an apocalyptic number.

52261615 is a deficient number, since it is larger than the sum of its proper divisors (19411505).

52261615 is a wasteful number, since it uses less digits than its factorization.

52261615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493201.

The product of its digits is 3600, while the sum is 28.

The square root of 52261615 is about 7229.2195291055. The cubic root of 52261615 is about 373.8760181758.

The spelling of 52261615 in words is "fifty-two million, two hundred sixty-one thousand, six hundred fifteen".