52057581 has 8 divisors (see below), whose sum is σ = 71803680. Its totient is φ = 33508272.

The previous prime is 52057573. The next prime is 52057601. The reversal of 52057581 is 18575025.

It is a happy number.

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

It is not a de Polignac number, because 52057581 - 2³ = 52057573 is a prime.

It is a super-2 number, since 2×52057581² = 5419983479143122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52057531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299095 + ... + 299268.

It is an arithmetic number, because the mean of its divisors is an integer number (8975460).

Almost surely, 2^52057581 is an apocalyptic number.

It is an amenable number.

52057581 is a deficient number, since it is larger than the sum of its proper divisors (19746099).

52057581 is a wasteful number, since it uses less digits than its factorization.

52057581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598395.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 52057581 is about 7215.0939702820. The cubic root of 52057581 is about 373.3888351972.

The spelling of 52057581 in words is "fifty-two million, fifty-seven thousand, five hundred eighty-one".