52620915 has 8 divisors (see below), whose sum is σ = 84193488. Its totient is φ = 28064480.

The previous prime is 52620913. The next prime is 52620923. The reversal of 52620915 is 51902625.

It is a happy number.

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

It is not a de Polignac number, because 52620915 - 2¹ = 52620913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52620913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1754016 + ... + 1754045.

It is an arithmetic number, because the mean of its divisors is an integer number (10524186).

Almost surely, 2^52620915 is an apocalyptic number.

52620915 is a deficient number, since it is larger than the sum of its proper divisors (31572573).

52620915 is a wasteful number, since it uses less digits than its factorization.

52620915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508069.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 52620915 is about 7254.0275020157. The cubic root of 52620915 is about 374.7308646671.

It can be divided in two parts, 52620 and 915, that added together give a palindrome (53535).

The spelling of 52620915 in words is "fifty-two million, six hundred twenty thousand, nine hundred fifteen".