52245778 has 16 divisors (see below), whose sum is σ = 84784896. Its totient is φ = 24002640.

The previous prime is 52245769. The next prime is 52245793. The reversal of 52245778 is 87754225.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52245778.

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, 1293 + ... + 10303.

It is an arithmetic number, because the mean of its divisors is an integer number (5299056).

Almost surely, 2^52245778 is an apocalyptic number.

52245778 is a deficient number, since it is larger than the sum of its proper divisors (32539118).

52245778 is a wasteful number, since it uses less digits than its factorization.

52245778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249.

The product of its digits is 156800, while the sum is 40.

The square root of 52245778 is about 7228.1240996541. The cubic root of 52245778 is about 373.8382487556.

The spelling of 52245778 in words is "fifty-two million, two hundred forty-five thousand, seven hundred seventy-eight".