52765457 has 4 divisors (see below), whose sum is σ = 52835556. Its totient is φ = 52695360.

The previous prime is 52765439. The next prime is 52765459. The reversal of 52765457 is 75456725.

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 8994001 + 43771456 = 2999^2 + 6616^2 .

It is a cyclic number.

It is not a de Polignac number, because 52765457 - 2⁶ = 52765393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52765459) 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, 33908 + ... + 35429.

It is an arithmetic number, because the mean of its divisors is an integer number (13208889).

Almost surely, 2^52765457 is an apocalyptic number.

It is an amenable number.

52765457 is a deficient number, since it is larger than the sum of its proper divisors (70099).

52765457 is an equidigital number, since it uses as much as digits as its factorization.

52765457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70098.

The product of its digits is 294000, while the sum is 41.

The square root of 52765457 is about 7263.9835489902. The cubic root of 52765457 is about 375.0736613816.

The spelling of 52765457 in words is "fifty-two million, seven hundred sixty-five thousand, four hundred fifty-seven".