52628623 has 6 divisors (see below), whose sum is σ = 55016864. Its totient is φ = 50339916.

The previous prime is 52628621. The next prime is 52628627. The reversal of 52628623 is 32682625.

It is not a de Polignac number, because 52628623 - 2¹ = 52628621 is a prime.

It is a super-2 number, since 2×52628623² = 5539543917752258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52628621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49215 + ... + 50272.

Almost surely, 2^52628623 is an apocalyptic number.

52628623 is a deficient number, since it is larger than the sum of its proper divisors (2388241).

52628623 is an equidigital number, since it uses as much as digits as its factorization.

52628623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99533 (or 99510 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 52628623 is about 7254.5587736264. The cubic root of 52628623 is about 374.7491608426.

The spelling of 52628623 in words is "fifty-two million, six hundred twenty-eight thousand, six hundred twenty-three".