53855901432 has 448 divisors, whose sum is σ = 166205952000. Its totient is φ = 16295634432.

The previous prime is 53855901427. The next prime is 53855901439. The reversal of 53855901432 is 23410955835.

53855901432 is a `hidden beast` number, since 53 + 8 + 5 + 590 + 1 + 4 + 3 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53855901439) by changing a digit.

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 111 ways as a sum of consecutive naturals, for example, 424062153 + ... + 424062279.

Almost surely, 2^53855901432 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 53855901432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83102976000).

53855901432 is an abundant number, since it is smaller than the sum of its proper divisors (112350050568).

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

53855901432 is a wasteful number, since it uses less digits than its factorization.

53855901432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 53855901432 in words is "fifty-three billion, eight hundred fifty-five million, nine hundred one thousand, four hundred thirty-two".