50559840 has 72 divisors (see below), whose sum is σ = 172540368. Its totient is φ = 13482240.

The previous prime is 50559823. The next prime is 50559841. The reversal of 50559840 is 4895505.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

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 = 50559795 and 50559804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50559841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16116 + ... + 18995.

It is an arithmetic number, because the mean of its divisors is an integer number (2396394).

Almost surely, 2^50559840 is an apocalyptic number.

It is an amenable number.

50559840 is an abundant number, since it is smaller than the sum of its proper divisors (121980528).

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

50559840 is a wasteful number, since it uses less digits than its factorization.

50559840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35132 (or 35121 counting only the distinct ones).

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

The square root of 50559840 is about 7110.5442829646. The cubic root of 50559840 is about 369.7730285583.

The spelling of 50559840 in words is "fifty million, five hundred fifty-nine thousand, eight hundred forty".