52857737 has 4 divisors (see below), whose sum is σ = 53053056. Its totient is φ = 52662420.

The previous prime is 52857713. The next prime is 52857757. The reversal of 52857737 is 73775825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52857737 - 2⁸ = 52857481 is a prime.

It is a super-2 number, since 2×52857737² = 5587880721522338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52857757) 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, 97253 + ... + 97794.

It is an arithmetic number, because the mean of its divisors is an integer number (13263264).

Almost surely, 2^52857737 is an apocalyptic number.

It is an amenable number.

52857737 is a deficient number, since it is larger than the sum of its proper divisors (195319).

52857737 is a wasteful number, since it uses less digits than its factorization.

52857737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195318.

The product of its digits is 411600, while the sum is 44.

The square root of 52857737 is about 7270.3326608897. The cubic root of 52857737 is about 375.2921859102.

The spelling of 52857737 in words is "fifty-two million, eight hundred fifty-seven thousand, seven hundred thirty-seven".