53161386398280 has 48 divisors (see below), whose sum is σ = 172774505795580. Its totient is φ = 14176369706112.

The previous prime is 53161386398269. The next prime is 53161386398303. The reversal of 53161386398280 is 8289368316135.

53161386398280 is a `hidden beast` number, since 5 + 3 + 1 + 613 + 8 + 6 + 3 + 9 + 8 + 2 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51398317624644 + 1763068773636 = 7169262^2 + 1327806^2 .

It is a super-2 number, since 2×53161386398280² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73835258527 + ... + 73835259246.

Almost surely, 2^{53161386398280} is an apocalyptic number.

It is an amenable number.

53161386398280 is an abundant number, since it is smaller than the sum of its proper divisors (119613119397300).

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

53161386398280 is a wasteful number, since it uses less digits than its factorization.

53161386398280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147670517790 (or 147670517783 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 53161386398280 in words is "fifty-three trillion, one hundred sixty-one billion, three hundred eighty-six million, three hundred ninety-eight thousand, two hundred eighty".