52871782 has 4 divisors (see below), whose sum is σ = 79307676. Its totient is φ = 26435890.

The previous prime is 52871761. The next prime is 52871807. The reversal of 52871782 is 28717825.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13217944 + ... + 13217947.

It is an arithmetic number, because the mean of its divisors is an integer number (19826919).

Almost surely, 2^52871782 is an apocalyptic number.

52871782 is a deficient number, since it is larger than the sum of its proper divisors (26435894).

52871782 is a wasteful number, since it uses less digits than its factorization.

52871782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26435893.

The product of its digits is 62720, while the sum is 40.

The square root of 52871782 is about 7271.2985085196. The cubic root of 52871782 is about 375.3254229995.

The spelling of 52871782 in words is "fifty-two million, eight hundred seventy-one thousand, seven hundred eighty-two".