52557776 has 20 divisors (see below), whose sum is σ = 102025092. Its totient is φ = 26228736.

The previous prime is 52557767. The next prime is 52557823. The reversal of 52557776 is 67775525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33408400 + 19149376 = 5780^2 + 4376^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6386 + ... + 12078.

Almost surely, 2^52557776 is an apocalyptic number.

It is an amenable number.

52557776 is a deficient number, since it is larger than the sum of its proper divisors (49467316).

52557776 is a wasteful number, since it uses less digits than its factorization.

52557776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278 (or 6272 counting only the distinct ones).

The product of its digits is 514500, while the sum is 44.

The square root of 52557776 is about 7249.6741995761. The cubic root of 52557776 is about 374.5809268112.

It can be divided in two parts, 5255 and 7776, that added together give a palindrome (13031).

The spelling of 52557776 in words is "fifty-two million, five hundred fifty-seven thousand, seven hundred seventy-six".