53915453993232 has 320 divisors, whose sum is σ = 175725512569600. Its totient is φ = 15690076876800.

The previous prime is 53915453993221. The next prime is 53915453993243. The reversal of 53915453993232 is 23239935451935.

It is a happy number.

53915453993232 is a `hidden beast` number, since 5 + 3 + 9 + 1 + 5 + 4 + 5 + 399 + 3 + 232 = 666.

It is an interprime number because it is at equal distance from previous prime (53915453993221) and next prime (53915453993243).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53915453993232.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63708738 + ... + 64549470.

It is an arithmetic number, because the mean of its divisors is an integer number (549142226780).

Almost surely, 2^{53915453993232} is an apocalyptic number.

53915453993232 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 53915453993232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87862756284800).

53915453993232 is an abundant number, since it is smaller than the sum of its proper divisors (121810058576368).

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

53915453993232 is a wasteful number, since it uses less digits than its factorization.

53915453993232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841383 (or 841371 counting only the distinct ones).

The product of its digits is 118098000, while the sum is 63.

The spelling of 53915453993232 in words is "fifty-three trillion, nine hundred fifteen billion, four hundred fifty-three million, nine hundred ninety-three thousand, two hundred thirty-two".