52923139 has 2 divisors, whose sum is σ = 52923140. Its totient is φ = 52923138.

The previous prime is 52923137. The next prime is 52923197. The reversal of 52923139 is 93132925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52923139 - 2¹ = 52923137 is a prime.

It is a super-2 number, since 2×52923139² = 5601717283226642, which contains 22 as substring.

Together with 52923137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52923137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26461569 + 26461570.

It is an arithmetic number, because the mean of its divisors is an integer number (26461570).

Almost surely, 2^52923139 is an apocalyptic number.

52923139 is a deficient number, since it is larger than the sum of its proper divisors (1).

52923139 is an equidigital number, since it uses as much as digits as its factorization.

52923139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 34.

The square root of 52923139 is about 7274.8291388870. The cubic root of 52923139 is about 375.4469077769.

The spelling of 52923139 in words is "fifty-two million, nine hundred twenty-three thousand, one hundred thirty-nine".