52791445 has 32 divisors (see below), whose sum is σ = 74649600. Its totient is φ = 35093760.

The previous prime is 52791439. The next prime is 52791451. The reversal of 52791445 is 54419725.

It is an interprime number because it is at equal distance from previous prime (52791439) and next prime (52791451).

It is not a de Polignac number, because 52791445 - 2¹¹ = 52789397 is a prime.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 276300 + ... + 276490.

It is an arithmetic number, because the mean of its divisors is an integer number (2332800).

Almost surely, 2^52791445 is an apocalyptic number.

It is an amenable number.

52791445 is a deficient number, since it is larger than the sum of its proper divisors (21858155).

52791445 is a wasteful number, since it uses less digits than its factorization.

52791445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its digits is 50400, while the sum is 37.

The square root of 52791445 is about 7265.7721544238. The cubic root of 52791445 is about 375.1352282667.

It can be divided in two parts, 5279 and 1445, that added together give a square (6724 = 82²).

The spelling of 52791445 in words is "fifty-two million, seven hundred ninety-one thousand, four hundred forty-five".