52520277 has 4 divisors (see below), whose sum is σ = 70027040. Its totient is φ = 35013516.

The previous prime is 52520267. The next prime is 52520287. The reversal of 52520277 is 77202525.

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 an interprime number because it is at equal distance from previous prime (52520267) and next prime (52520287).

It is not a de Polignac number, because 52520277 - 2⁴ = 52520261 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 (52520257) 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, 8753377 + ... + 8753382.

It is an arithmetic number, because the mean of its divisors is an integer number (17506760).

Almost surely, 2^52520277 is an apocalyptic number.

It is an amenable number.

52520277 is a deficient number, since it is larger than the sum of its proper divisors (17506763).

52520277 is a wasteful number, since it uses less digits than its factorization.

52520277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17506762.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 52520277 is about 7247.0874839483. The cubic root of 52520277 is about 374.4918200974.

It can be divided in two parts, 525 and 20277, that added together give a palindrome (20802).

The spelling of 52520277 in words is "fifty-two million, five hundred twenty thousand, two hundred seventy-seven".