52497274 has 4 divisors (see below), whose sum is σ = 78745914. Its totient is φ = 26248636.

The previous prime is 52497257. The next prime is 52497287. The reversal of 52497274 is 47279425.

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., 47403225 + 5094049 = 6885^2 + 2257^2 .

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13124317 + ... + 13124320.

Almost surely, 2^52497274 is an apocalyptic number.

52497274 is a deficient number, since it is larger than the sum of its proper divisors (26248640).

52497274 is a wasteful number, since it uses less digits than its factorization.

52497274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26248639.

The product of its digits is 141120, while the sum is 40.

The square root of 52497274 is about 7245.5002587813. The cubic root of 52497274 is about 374.4371384024.

The spelling of 52497274 in words is "fifty-two million, four hundred ninety-seven thousand, two hundred seventy-four".