52542277 has 4 divisors (see below), whose sum is σ = 55307680. Its totient is φ = 49776876.

The previous prime is 52542263. The next prime is 52542283. The reversal of 52542277 is 77224525.

It is a happy number.

52542277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52542277 - 2¹⁹ = 52017989 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 (52542247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382673 + ... + 1382710.

It is an arithmetic number, because the mean of its divisors is an integer number (13826920).

Almost surely, 2^52542277 is an apocalyptic number.

It is an amenable number.

52542277 is a deficient number, since it is larger than the sum of its proper divisors (2765403).

52542277 is a wasteful number, since it uses less digits than its factorization.

52542277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765402.

The product of its digits is 39200, while the sum is 34.

The square root of 52542277 is about 7248.6051761701. The cubic root of 52542277 is about 374.5441025706.

The spelling of 52542277 in words is "fifty-two million, five hundred forty-two thousand, two hundred seventy-seven".