53745182644 has 12 divisors (see below), whose sum is σ = 99586662084. Its totient is φ = 25291850624.

The previous prime is 53745182503. The next prime is 53745182651. The reversal of 53745182644 is 44628154735.

It can be written as a sum of positive squares in 2 ways, for example, as 44478810000 + 9266372644 = 210900^2 + 96262^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 395185099 + ... + 395185234.

It is an arithmetic number, because the mean of its divisors is an integer number (8298888507).

Almost surely, 2^53745182644 is an apocalyptic number.

It is an amenable number.

53745182644 is a deficient number, since it is larger than the sum of its proper divisors (45841479440).

53745182644 is a wasteful number, since it uses less digits than its factorization.

53745182644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790370354 (or 790370352 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The spelling of 53745182644 in words is "fifty-three billion, seven hundred forty-five million, one hundred eighty-two thousand, six hundred forty-four".