52776740 has 24 divisors (see below), whose sum is σ = 112237440. Its totient is φ = 20842848.

The previous prime is 52776727. The next prime is 52776751. The reversal of 52776740 is 4767725.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52776694 and 52776703.

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, 15122 + ... + 18281.

It is an arithmetic number, because the mean of its divisors is an integer number (4676560).

Almost surely, 2^52776740 is an apocalyptic number.

It is an amenable number.

52776740 is an abundant number, since it is smaller than the sum of its proper divisors (59460700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52776740 is a wasteful number, since it uses less digits than its factorization.

52776740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33491 (or 33489 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 52776740 is about 7264.7601474515. The cubic root of 52776740 is about 375.1003938612.

The spelling of 52776740 in words is "fifty-two million, seven hundred seventy-six thousand, seven hundred forty".