53278082825 has 24 divisors (see below), whose sum is σ = 72085493376. Its totient is φ = 38739752000.

The previous prime is 53278082797. The next prime is 53278082849. The reversal of 53278082825 is 52828087235.

53278082825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-53278082825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1548560 + ... + 1582590.

It is an arithmetic number, because the mean of its divisors is an integer number (3003562224).

Almost surely, 2^53278082825 is an apocalyptic number.

53278082825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53278082825 is a deficient number, since it is larger than the sum of its proper divisors (18807410551).

53278082825 is a wasteful number, since it uses less digits than its factorization.

53278082825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39745 (or 39740 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 53278082825 in words is "fifty-three billion, two hundred seventy-eight million, eighty-two thousand, eight hundred twenty-five".