50859540 has 72 divisors (see below), whose sum is σ = 157885728. Its totient is φ = 13245120.

The previous prime is 50859521. The next prime is 50859581. The reversal of 50859540 is 4595805.

It is a happy number.

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 junction number, because it is equal to n+sod(n) for n = 50859495 and 50859504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4455 + ... + 11025.

Almost surely, 2^50859540 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 50859540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78942864).

50859540 is an abundant number, since it is smaller than the sum of its proper divisors (107026188).

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

50859540 is a wasteful number, since it uses less digits than its factorization.

50859540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629 (or 6624 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 50859540 is about 7131.5874810592. The cubic root of 50859540 is about 370.5022155069.

The spelling of 50859540 in words is "fifty million, eight hundred fifty-nine thousand, five hundred forty".