52426665 has 12 divisors (see below), whose sum is σ = 90872964. Its totient is φ = 27960864.

The previous prime is 52426663. The next prime is 52426679. The reversal of 52426665 is 56662425.

It can be written as a sum of positive squares in 2 ways, for example, as 15848361 + 36578304 = 3981^2 + 6048^2 .

It is not a de Polignac number, because 52426665 - 2¹ = 52426663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52426663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582474 + ... + 582563.

It is an arithmetic number, because the mean of its divisors is an integer number (7572747).

Almost surely, 2^52426665 is an apocalyptic number.

It is an amenable number.

52426665 is a deficient number, since it is larger than the sum of its proper divisors (38446299).

52426665 is a wasteful number, since it uses less digits than its factorization.

52426665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165048 (or 1165045 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 52426665 is about 7240.6260088476. The cubic root of 52426665 is about 374.2691900366.

The spelling of 52426665 in words is "fifty-two million, four hundred twenty-six thousand, six hundred sixty-five".