52751857 has 4 divisors (see below), whose sum is σ = 55045440. Its totient is φ = 50458276.

The previous prime is 52751821. The next prime is 52751869. The reversal of 52751857 is 75815725.

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 52751857 - 2¹⁵ = 52719089 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 52751857 parts by 10271 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (52751807) 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, 1146757 + ... + 1146802.

It is an arithmetic number, because the mean of its divisors is an integer number (13761360).

Almost surely, 2^52751857 is an apocalyptic number.

It is an amenable number.

52751857 is a deficient number, since it is larger than the sum of its proper divisors (2293583).

52751857 is a wasteful number, since it uses less digits than its factorization.

52751857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293582.

The product of its digits is 98000, while the sum is 40.

The square root of 52751857 is about 7263.0473631940. The cubic root of 52751857 is about 375.0414342365.

The spelling of 52751857 in words is "fifty-two million, seven hundred fifty-one thousand, eight hundred fifty-seven".