52393477 has 2 divisors, whose sum is σ = 52393478. Its totient is φ = 52393476.

The previous prime is 52393427. The next prime is 52393547. The reversal of 52393477 is 77439325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44742721 + 7650756 = 6689^2 + 2766^2 .

It is a cyclic number.

It is not a de Polignac number, because 52393477 - 2⁷ = 52393349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52393427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26196738 + 26196739.

It is an arithmetic number, because the mean of its divisors is an integer number (26196739).

Almost surely, 2^52393477 is an apocalyptic number.

It is an amenable number.

52393477 is a deficient number, since it is larger than the sum of its proper divisors (1).

52393477 is an equidigital number, since it uses as much as digits as its factorization.

52393477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 40.

The square root of 52393477 is about 7238.3338552460. Note that the first 3 decimals coincide. The cubic root of 52393477 is about 374.1901979955.

The spelling of 52393477 in words is "fifty-two million, three hundred ninety-three thousand, four hundred seventy-seven".