53128441802 has 16 divisors (see below), whose sum is σ = 80794053960. Its totient is φ = 26197178112.

The previous prime is 53128441783. The next prime is 53128441867. The reversal of 53128441802 is 20814482135.

It can be written as a sum of positive squares in 4 ways, for example, as 52973165281 + 155276521 = 230159^2 + 12461^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614974 + ... + 1647542.

Almost surely, 2^53128441802 is an apocalyptic number.

53128441802 is a deficient number, since it is larger than the sum of its proper divisors (27665612158).

53128441802 is a wasteful number, since it uses less digits than its factorization.

53128441802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43817.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 53128441802 in words is "fifty-three billion, one hundred twenty-eight million, four hundred forty-one thousand, eight hundred two".