53405559232 has 56 divisors (see below), whose sum is σ = 110656024560. Its totient is φ = 25540945920.

The previous prime is 53405559217. The next prime is 53405559247. The reversal of 53405559232 is 23295550435.

It is an interprime number because it is at equal distance from previous prime (53405559217) and next prime (53405559247).

It is a congruent number.

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, 64132 + ... + 333052.

Almost surely, 2^53405559232 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 53405559232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55328012280).

53405559232 is an abundant number, since it is smaller than the sum of its proper divisors (57250465328).

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

53405559232 is a wasteful number, since it uses less digits than its factorization.

53405559232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269069 (or 269059 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 53405559232 in words is "fifty-three billion, four hundred five million, five hundred fifty-nine thousand, two hundred thirty-two".