52188634 has 4 divisors (see below), whose sum is σ = 78282954. Its totient is φ = 26094316.

The previous prime is 52188583. The next prime is 52188637. The reversal of 52188634 is 43688125.

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., 39250225 + 12938409 = 6265^2 + 3597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52188593 and 52188602.

It is not an unprimeable number, because it can be changed into a prime (52188637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13047157 + ... + 13047160.

Almost surely, 2^52188634 is an apocalyptic number.

52188634 is a deficient number, since it is larger than the sum of its proper divisors (26094320).

52188634 is a wasteful number, since it uses less digits than its factorization.

52188634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26094319.

The product of its digits is 46080, while the sum is 37.

The square root of 52188634 is about 7224.1701253500. The cubic root of 52188634 is about 373.7019034092.

The spelling of 52188634 in words is "fifty-two million, one hundred eighty-eight thousand, six hundred thirty-four".