52770061 has 4 divisors (see below), whose sum is σ = 53254300. Its totient is φ = 52285824.

The previous prime is 52770059. The next prime is 52770077. The reversal of 52770061 is 16007725.

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 31147561 + 21622500 = 5581^2 + 4650^2 .

It is a cyclic number.

It is not a de Polignac number, because 52770061 - 2¹ = 52770059 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 (52770001) 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, 241956 + ... + 242173.

It is an arithmetic number, because the mean of its divisors is an integer number (13313575).

Almost surely, 2^52770061 is an apocalyptic number.

It is an amenable number.

52770061 is a deficient number, since it is larger than the sum of its proper divisors (484239).

52770061 is a wasteful number, since it uses less digits than its factorization.

52770061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484238.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 52770061 is about 7264.3004480817. The cubic root of 52770061 is about 375.0845699634.

Adding to 52770061 its reverse (16007725), we get a palindrome (68777786).

The spelling of 52770061 in words is "fifty-two million, seven hundred seventy thousand, sixty-one".