52863658 has 4 divisors (see below), whose sum is σ = 79295490. Its totient is φ = 26431828.

The previous prime is 52863653. The next prime is 52863661. The reversal of 52863658 is 85636825.

It is a happy number.

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., 33212169 + 19651489 = 5763^2 + 4433^2 .

It is not an unprimeable number, because it can be changed into a prime (52863653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13215913 + ... + 13215916.

Almost surely, 2^52863658 is an apocalyptic number.

52863658 is a deficient number, since it is larger than the sum of its proper divisors (26431832).

52863658 is a wasteful number, since it uses less digits than its factorization.

52863658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26431831.

The product of its digits is 345600, while the sum is 43.

The square root of 52863658 is about 7270.7398523121. The cubic root of 52863658 is about 375.3061985045.

The spelling of 52863658 in words is "fifty-two million, eight hundred sixty-three thousand, six hundred fifty-eight".