52506337 has 4 divisors (see below), whose sum is σ = 56545300. Its totient is φ = 48467376.

The previous prime is 52506301. The next prime is 52506341. The reversal of 52506337 is 73360525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17943696 + 34562641 = 4236^2 + 5879^2 .

It is a cyclic number.

It is not a de Polignac number, because 52506337 - 2¹⁵ = 52473569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52506299 and 52506308.

It is not an unprimeable number, because it can be changed into a prime (52506347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019462 + ... + 2019487.

It is an arithmetic number, because the mean of its divisors is an integer number (14136325).

Almost surely, 2^52506337 is an apocalyptic number.

It is an amenable number.

52506337 is a deficient number, since it is larger than the sum of its proper divisors (4038963).

52506337 is a wasteful number, since it uses less digits than its factorization.

52506337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038962.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 52506337 is about 7246.1256544446. The cubic root of 52506337 is about 374.4586844641.

The spelling of 52506337 in words is "fifty-two million, five hundred six thousand, three hundred thirty-seven".