52217403 has 16 divisors (see below), whose sum is σ = 80875776. Its totient is φ = 29348640.

The previous prime is 52217357. The next prime is 52217441. The reversal of 52217403 is 30471225.

It is not a de Polignac number, because 52217403 - 2⁸ = 52217147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52217203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19101 + ... + 21662.

It is an arithmetic number, because the mean of its divisors is an integer number (5054736).

Almost surely, 2^52217403 is an apocalyptic number.

52217403 is a deficient number, since it is larger than the sum of its proper divisors (28658373).

52217403 is a wasteful number, since it uses less digits than its factorization.

52217403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40834.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 52217403 is about 7226.1610139825. The cubic root of 52217403 is about 373.7705585571.

Adding to 52217403 its reverse (30471225), we get a palindrome (82688628).

The spelling of 52217403 in words is "fifty-two million, two hundred seventeen thousand, four hundred three".