53901669528 has 144 divisors (see below), whose sum is σ = 170425227960. Its totient is φ = 15345388800.

The previous prime is 53901669509. The next prime is 53901669529. The reversal of 53901669528 is 82596610935.

It is a happy number.

53901669528 is a `hidden beast` number, since 5 + 390 + 166 + 95 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53901669529) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 964183 + ... + 1018553.

Almost surely, 2^53901669528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53901669528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85212613980).

53901669528 is an abundant number, since it is smaller than the sum of its proper divisors (116523558432).

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

53901669528 is a wasteful number, since it uses less digits than its factorization.

53901669528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54678 (or 54664 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 53901669528 in words is "fifty-three billion, nine hundred one million, six hundred sixty-nine thousand, five hundred twenty-eight".