52777251290 has 16 divisors (see below), whose sum is σ = 95015377512. Its totient is φ = 21107272704.

The previous prime is 52777251239. The next prime is 52777251337. The reversal of 52777251290 is 9215277725.

It is a happy number.

52777251290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 229733²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 49898177641 + 2879073649 = 223379^2 + 53657^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391979 + ... + 509118.

Almost surely, 2^52777251290 is an apocalyptic number.

52777251290 is a deficient number, since it is larger than the sum of its proper divisors (42238126222).

52777251290 is a wasteful number, since it uses less digits than its factorization.

52777251290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906961.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 52777251290 in words is "fifty-two billion, seven hundred seventy-seven million, two hundred fifty-one thousand, two hundred ninety".