52028402 has 4 divisors (see below), whose sum is σ = 78042606. Its totient is φ = 26014200.

The previous prime is 52028393. The next prime is 52028411. The reversal of 52028402 is 20482025.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (52028393) and next prime (52028411).

It can be written as a sum of positive squares in only one way, i.e., 27237961 + 24790441 = 5219^2 + 4979^2 .

It is a super-2 number, since 2×52028402² = 5413909229347208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13007099 + ... + 13007102.

Almost surely, 2^52028402 is an apocalyptic number.

52028402 is a deficient number, since it is larger than the sum of its proper divisors (26014204).

52028402 is a wasteful number, since it uses less digits than its factorization.

52028402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26014203.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 52028402 is about 7213.0716064656. The cubic root of 52028402 is about 373.3190589426.

The spelling of 52028402 in words is "fifty-two million, twenty-eight thousand, four hundred two".