50997573000 has 1024 divisors, whose sum is σ = 207028224000. Its totient is φ = 11491200000.

The previous prime is 50997572987. The next prime is 50997573001. The reversal of 50997573000 is 37579905.

It is a happy number.

50997573000 is a `hidden beast` number, since 509 + 9 + 75 + 73 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (50997573001) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 267002905 + ... + 267003095.

It is an arithmetic number, because the mean of its divisors is an integer number (202176000).

Almost surely, 2^50997573000 is an apocalyptic number.

50997573000 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 50997573000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103514112000).

50997573000 is an abundant number, since it is smaller than the sum of its proper divisors (156030651000).

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

50997573000 is a wasteful number, since it uses less digits than its factorization.

50997573000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 297675, while the sum is 45.

The spelling of 50997573000 in words is "fifty billion, nine hundred ninety-seven million, five hundred seventy-three thousand".