53161992000 has 1008 divisors, whose sum is σ = 218884481712. Its totient is φ = 12268339200.

The previous prime is 53161991957. The next prime is 53161992041. The reversal of 53161992000 is 29916135.

53161992000 is a `hidden beast` number, since 5 + 31 + 619 + 9 + 2 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 24 ways, for example, as 49454643456 + 3707348544 = 222384^2 + 60888^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 206855872 + ... + 206856128.

Almost surely, 2^53161992000 is an apocalyptic number.

53161992000 is a gapful number since it is divisible by the number (50) 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 53161992000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109442240856).

53161992000 is an abundant number, since it is smaller than the sum of its proper divisors (165722489712).

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

53161992000 is a wasteful number, since it uses less digits than its factorization.

53161992000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The spelling of 53161992000 in words is "fifty-three billion, one hundred sixty-one million, nine hundred ninety-two thousand".