52613786 has 4 divisors (see below), whose sum is σ = 78920682. Its totient is φ = 26306892.

The previous prime is 52613777. The next prime is 52613791. The reversal of 52613786 is 68731625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 11256025 = 6431^2 + 3355^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13153445 + ... + 13153448.

Almost surely, 2^52613786 is an apocalyptic number.

52613786 is a deficient number, since it is larger than the sum of its proper divisors (26306896).

52613786 is a wasteful number, since it uses less digits than its factorization.

52613786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26306895.

The product of its digits is 60480, while the sum is 38.

The square root of 52613786 is about 7253.5361031706. The cubic root of 52613786 is about 374.7139412506.

The spelling of 52613786 in words is "fifty-two million, six hundred thirteen thousand, seven hundred eighty-six".