53651428805 has 16 divisors (see below), whose sum is σ = 69368098800. Its totient is φ = 39600119808.

The previous prime is 53651428769. The next prime is 53651428811. The reversal of 53651428805 is 50882415635.

It can be written as a sum of positive squares in 8 ways, for example, as 9765787684 + 43885641121 = 98822^2 + 209489^2 .

It is a cyclic number.

It is not a de Polignac number, because 53651428805 - 2⁶ = 53651428741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53651428805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67580 + ... + 334469.

It is an arithmetic number, because the mean of its divisors is an integer number (4335506175).

Almost surely, 2^53651428805 is an apocalyptic number.

It is an amenable number.

53651428805 is a deficient number, since it is larger than the sum of its proper divisors (15716669995).

53651428805 is a wasteful number, since it uses less digits than its factorization.

53651428805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404120.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 53651428805 in words is "fifty-three billion, six hundred fifty-one million, four hundred twenty-eight thousand, eight hundred five".