52194782 has 4 divisors (see below), whose sum is σ = 78292176. Its totient is φ = 26097390.

The previous prime is 52194757. The next prime is 52194787. The reversal of 52194782 is 28749125.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52194787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13048694 + ... + 13048697.

It is an arithmetic number, because the mean of its divisors is an integer number (19573044).

Almost surely, 2^52194782 is an apocalyptic number.

52194782 is a deficient number, since it is larger than the sum of its proper divisors (26097394).

52194782 is a wasteful number, since it uses less digits than its factorization.

52194782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26097393.

The product of its digits is 40320, while the sum is 38.

The square root of 52194782 is about 7224.5956288224. The cubic root of 52194782 is about 373.7165772881.

It can be divided in two parts, 5219 and 4782, that added together give a palindrome (10001).

The spelling of 52194782 in words is "fifty-two million, one hundred ninety-four thousand, seven hundred eighty-two".