50533840 has 40 divisors (see below), whose sum is σ = 134277120. Its totient is φ = 17325696.

The previous prime is 50533837. The next prime is 50533841. The reversal of 50533840 is 4833505.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 50533799 and 50533808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50533841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44560 + ... + 45679.

It is an arithmetic number, because the mean of its divisors is an integer number (3356928).

Almost surely, 2^50533840 is an apocalyptic number.

It is an amenable number.

50533840 is an abundant number, since it is smaller than the sum of its proper divisors (83743280).

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

50533840 is a wasteful number, since it uses less digits than its factorization.

50533840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90259 (or 90253 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 50533840 is about 7108.7157771288. The cubic root of 50533840 is about 369.7096333998.

The spelling of 50533840 in words is "fifty million, five hundred thirty-three thousand, eight hundred forty".