52047757 has 4 divisors (see below), whose sum is σ = 52780896. Its totient is φ = 51314620.

The previous prime is 52047733. The next prime is 52047763. The reversal of 52047757 is 75774025.

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 52047757 - 2⁷ = 52047629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52047767) 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, 366463 + ... + 366604.

It is an arithmetic number, because the mean of its divisors is an integer number (13195224).

Almost surely, 2^52047757 is an apocalyptic number.

It is an amenable number.

52047757 is a deficient number, since it is larger than the sum of its proper divisors (733139).

52047757 is an equidigital number, since it uses as much as digits as its factorization.

52047757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733138.

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 52047757 is about 7214.4131431462. The cubic root of 52047757 is about 373.3653458058.

The spelling of 52047757 in words is "fifty-two million, forty-seven thousand, seven hundred fifty-seven".