50528759040 has 216 divisors, whose sum is σ = 181300330848. Its totient is φ = 13474252800.

The previous prime is 50528759033. The next prime is 50528759053. The reversal of 50528759040 is 4095782505.

50528759040 is a `hidden beast` number, since 5 + 0 + 52 + 8 + 7 + 590 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a super-3 number, since 3×50528759040³ (a number of 33 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229815 + ... + 392265.

Almost surely, 2^50528759040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50528759040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90650165424).

50528759040 is an abundant number, since it is smaller than the sum of its proper divisors (130771571808).

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

50528759040 is an equidigital number, since it uses as much as digits as its factorization.

50528759040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162487 (or 162461 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 50528759040 in words is "fifty billion, five hundred twenty-eight million, seven hundred fifty-nine thousand, forty".