52890651450 has 576 divisors, whose sum is σ = 182909126400. Its totient is φ = 10882045440.

The previous prime is 52890651439. The next prime is 52890651469. The reversal of 52890651450 is 5415609825.

52890651450 is a `hidden beast` number, since 5 + 2 + 89 + 0 + 6 + 514 + 50 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 52890651396 and 52890651405.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 86281344 + ... + 86281956.

Almost surely, 2^52890651450 is an apocalyptic number.

52890651450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52890651450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91454563200).

52890651450 is an abundant number, since it is smaller than the sum of its proper divisors (130018474950).

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

52890651450 is a wasteful number, since it uses less digits than its factorization.

52890651450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 52890651450 in words is "fifty-two billion, eight hundred ninety million, six hundred fifty-one thousand, four hundred fifty".