52640703 has 12 divisors (see below), whose sum is σ = 76280568. Its totient is φ = 34981200.

The previous prime is 52640701. The next prime is 52640723. The reversal of 52640703 is 30704625.

It is a happy number.

It is not a de Polignac number, because 52640703 - 2¹ = 52640701 is a prime.

It is a super-2 number, since 2×52640703² = 5542087224668418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52640701) 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 11 ways as a sum of consecutive naturals, for example, 6373 + ... + 12078.

It is an arithmetic number, because the mean of its divisors is an integer number (6356714).

Almost surely, 2^52640703 is an apocalyptic number.

52640703 is a deficient number, since it is larger than the sum of its proper divisors (23639865).

52640703 is a wasteful number, since it uses less digits than its factorization.

52640703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18774 (or 18771 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 52640703 is about 7255.3913057808. The cubic root of 52640703 is about 374.7778310686. Note that the first 3 decimals are identical.

The spelling of 52640703 in words is "fifty-two million, six hundred forty thousand, seven hundred three".