53871274 has 4 divisors (see below), whose sum is σ = 80806914. Its totient is φ = 26935636.

The previous prime is 53871269. The next prime is 53871287. The reversal of 53871274 is 47217835.

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., 32775625 + 21095649 = 5725^2 + 4593^2 .

It is a super-2 number, since 2×53871274² = 5804228324766152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13467817 + ... + 13467820.

Almost surely, 2^53871274 is an apocalyptic number.

53871274 is a deficient number, since it is larger than the sum of its proper divisors (26935640).

53871274 is a wasteful number, since it uses less digits than its factorization.

53871274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26935639.

The product of its digits is 47040, while the sum is 37.

The square root of 53871274 is about 7339.7053074357. The cubic root of 53871274 is about 377.6757341524.

It can be divided in two parts, 53871 and 274, that added together give a palindrome (54145).

The spelling of 53871274 in words is "fifty-three million, eight hundred seventy-one thousand, two hundred seventy-four".