52641778 has 24 divisors (see below), whose sum is σ = 92126592. Its totient is φ = 22494024.

The previous prime is 52641769. The next prime is 52641781. The reversal of 52641778 is 87714625.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52641778.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47175 + ... + 48277.

It is an arithmetic number, because the mean of its divisors is an integer number (3838608).

Almost surely, 2^52641778 is an apocalyptic number.

52641778 is a deficient number, since it is larger than the sum of its proper divisors (39484814).

52641778 is a wasteful number, since it uses less digits than its factorization.

52641778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1599 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 52641778 is about 7255.4653882435. The cubic root of 52641778 is about 374.7803822213.

The spelling of 52641778 in words is "fifty-two million, six hundred forty-one thousand, seven hundred seventy-eight".