53879780 has 12 divisors (see below), whose sum is σ = 113147580. Its totient is φ = 21551904.

The previous prime is 53879779. The next prime is 53879809. The reversal of 53879780 is 8797835.

53879780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12096484 + 41783296 = 3478^2 + 6464^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346975 + ... + 1347014.

It is an arithmetic number, because the mean of its divisors is an integer number (9428965).

Almost surely, 2^53879780 is an apocalyptic number.

It is an amenable number.

53879780 is an abundant number, since it is smaller than the sum of its proper divisors (59267800).

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

53879780 is a wasteful number, since it uses less digits than its factorization.

53879780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693998 (or 2693996 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 53879780 is about 7340.2847356216. The cubic root of 53879780 is about 377.6956107984.

The spelling of 53879780 in words is "fifty-three million, eight hundred seventy-nine thousand, seven hundred eighty".