52037691 has 8 divisors (see below), whose sum is σ = 69640704. Its totient is φ = 34563240.

The previous prime is 52037659. The next prime is 52037693. The reversal of 52037691 is 19673025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52037691 - 2⁵ = 52037659 is a prime.

It is a super-2 number, since 2×52037691² = 5415842569222962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52037693) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31191 + ... + 32816.

It is an arithmetic number, because the mean of its divisors is an integer number (8705088).

Almost surely, 2^52037691 is an apocalyptic number.

52037691 is a deficient number, since it is larger than the sum of its proper divisors (17603013).

52037691 is a wasteful number, since it uses less digits than its factorization.

52037691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64281.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 52037691 is about 7213.7154781707. The cubic root of 52037691 is about 373.3412747212.

The spelling of 52037691 in words is "fifty-two million, thirty-seven thousand, six hundred ninety-one".