52340387 has 8 divisors (see below), whose sum is σ = 59581440. Its totient is φ = 45513160.

The previous prime is 52340329. The next prime is 52340401. The reversal of 52340387 is 78304325.

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 52340387 - 2¹⁴ = 52324003 is a prime.

It is a super-2 number, since 2×52340387² = 5479032222619538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52340317) 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, 103187 + ... + 103692.

It is an arithmetic number, because the mean of its divisors is an integer number (7447680).

Almost surely, 2^52340387 is an apocalyptic number.

52340387 is a deficient number, since it is larger than the sum of its proper divisors (7241053).

52340387 is a wasteful number, since it uses less digits than its factorization.

52340387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206913.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 52340387 is about 7234.6656453495. The cubic root of 52340387 is about 374.0637670447.

The spelling of 52340387 in words is "fifty-two million, three hundred forty thousand, three hundred eighty-seven".