52778002754 has 8 divisors (see below), whose sum is σ = 79191995340. Its totient is φ = 26380670976.

The previous prime is 52778002729. The next prime is 52778002777. The reversal of 52778002754 is 45720087725.

It can be written as a sum of positive squares in 2 ways, for example, as 51427807729 + 1350195025 = 226777^2 + 36745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 52778002699 and 52778002708.

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, 4157279 + ... + 4169954.

Almost surely, 2^52778002754 is an apocalyptic number.

52778002754 is a deficient number, since it is larger than the sum of its proper divisors (26413992586).

52778002754 is a wasteful number, since it uses less digits than its factorization.

52778002754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8330404.

The product of its (nonzero) digits is 1097600, while the sum is 47.

The spelling of 52778002754 in words is "fifty-two billion, seven hundred seventy-eight million, two thousand, seven hundred fifty-four".