53278763956 has 12 divisors (see below), whose sum is σ = 101714004000. Its totient is φ = 24217619960.

The previous prime is 53278763921. The next prime is 53278763999. The reversal of 53278763956 is 65936787235.

It is a junction number, because it is equal to n+sod(n) for n = 53278763894 and 53278763903.

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, 605440456 + ... + 605440543.

It is an arithmetic number, because the mean of its divisors is an integer number (8476167000).

Almost surely, 2^53278763956 is an apocalyptic number.

It is an amenable number.

53278763956 is a deficient number, since it is larger than the sum of its proper divisors (48435240044).

53278763956 is a wasteful number, since it uses less digits than its factorization.

53278763956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210881014 (or 1210881012 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 61.

The spelling of 53278763956 in words is "fifty-three billion, two hundred seventy-eight million, seven hundred sixty-three thousand, nine hundred fifty-six".