52037381 has 6 divisors (see below), whose sum is σ = 57198246. Its totient is φ = 47306600.

The previous prime is 52037327. The next prime is 52037383. The reversal of 52037381 is 18373025.

It can be written as a sum of positive squares in only one way, i.e., 32092225 + 19945156 = 5665^2 + 4466^2 .

It is not a de Polignac number, because 52037381 - 2⁶ = 52037317 is a prime.

It is a super-2 number, since 2×52037381² = 5415778042678322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52037383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214910 + ... + 215151.

It is an arithmetic number, because the mean of its divisors is an integer number (9533041).

Almost surely, 2^52037381 is an apocalyptic number.

It is an amenable number.

52037381 is a deficient number, since it is larger than the sum of its proper divisors (5160865).

52037381 is a wasteful number, since it uses less digits than its factorization.

52037381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430083 (or 430072 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 52037381 is about 7213.6939912918. The cubic root of 52037381 is about 373.3405333610.

The spelling of 52037381 in words is "fifty-two million, thirty-seven thousand, three hundred eighty-one".