52170402 has 16 divisors (see below), whose sum is σ = 104418720. Its totient is φ = 17377152.

The previous prime is 52170401. The next prime is 52170403. The reversal of 52170402 is 20407125.

It is an interprime number because it is at equal distance from previous prime (52170401) and next prime (52170403).

It is not an unprimeable number, because it can be changed into a prime (52170401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9033 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (6526170).

Almost surely, 2^52170402 is an apocalyptic number.

52170402 is an abundant number, since it is smaller than the sum of its proper divisors (52248318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52170402 is a wasteful number, since it uses less digits than its factorization.

52170402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 52170402 is about 7222.9081400777. The cubic root of 52170402 is about 373.6583809910.

Adding to 52170402 its reverse (20407125), we get a palindrome (72577527).

The spelling of 52170402 in words is "fifty-two million, one hundred seventy thousand, four hundred two".