53680439232 has 840 divisors, whose sum is σ = 202820796288. Its totient is φ = 13934592000.

The previous prime is 53680439231. The next prime is 53680439233. The reversal of 53680439232 is 23293408635.

53680439232 is a `hidden beast` number, since 536 + 80 + 4 + 3 + 9 + 2 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (53680439231) and next prime (53680439233).

It is a super-2 number, since 2×53680439232² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53680439231) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 133866232 + ... + 133866632.

Almost surely, 2^53680439232 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 53680439232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101410398144).

53680439232 is an abundant number, since it is smaller than the sum of its proper divisors (149140357056).

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

53680439232 is a wasteful number, since it uses less digits than its factorization.

53680439232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 53680439232 in words is "fifty-three billion, six hundred eighty million, four hundred thirty-nine thousand, two hundred thirty-two".