52776280 has 16 divisors (see below), whose sum is σ = 118746720. Its totient is φ = 21110496.

The previous prime is 52776277. The next prime is 52776323. The reversal of 52776280 is 8267725.

It is a congruent number.

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, 659664 + ... + 659743.

It is an arithmetic number, because the mean of its divisors is an integer number (7421670).

Almost surely, 2^52776280 is an apocalyptic number.

It is an amenable number.

52776280 is an abundant number, since it is smaller than the sum of its proper divisors (65970440).

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

52776280 is a wasteful number, since it uses less digits than its factorization.

52776280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319418 (or 1319414 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 52776280 is about 7264.7284877000. The cubic root of 52776280 is about 375.0993040713.

The spelling of 52776280 in words is "fifty-two million, seven hundred seventy-six thousand, two hundred eighty".