52777525 has 24 divisors (see below), whose sum is σ = 68745600. Its totient is φ = 40117440.

The previous prime is 52777523. The next prime is 52777547. The reversal of 52777525 is 52577725.

It is a happy number.

It is not a de Polignac number, because 52777525 - 2¹ = 52777523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52777523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151051 + ... + 151399.

It is an arithmetic number, because the mean of its divisors is an integer number (2864400).

Almost surely, 2^52777525 is an apocalyptic number.

It is an amenable number.

52777525 is a deficient number, since it is larger than the sum of its proper divisors (15968075).

52777525 is a wasteful number, since it uses less digits than its factorization.

52777525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 640 counting only the distinct ones).

The product of its digits is 171500, while the sum is 40.

The square root of 52777525 is about 7264.8141751871. The cubic root of 52777525 is about 375.1022535968.

The spelling of 52777525 in words is "fifty-two million, seven hundred seventy-seven thousand, five hundred twenty-five".