53780231232 has 784 divisors, whose sum is σ = 201486942720. Its totient is φ = 13857951744.

The previous prime is 53780231227. The next prime is 53780231249. The reversal of 53780231232 is 23213208735.

53780231232 is a `hidden beast` number, since 537 + 80 + 2 + 3 + 12 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 225021769 + ... + 225022007.

Almost surely, 2^53780231232 is an apocalyptic number.

53780231232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53780231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100743471360).

53780231232 is an abundant number, since it is smaller than the sum of its proper divisors (147706711488).

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

53780231232 is a wasteful number, since it uses less digits than its factorization.

53780231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 53780231232 its reverse (23213208735), we get a palindrome (76993439967).

The spelling of 53780231232 in words is "fifty-three billion, seven hundred eighty million, two hundred thirty-one thousand, two hundred thirty-two".