50855040 has 224 divisors, whose sum is σ = 183951900. Its totient is φ = 13436928.

The previous prime is 50855033. The next prime is 50855053. The reversal of 50855040 is 4055805.

It can be written as a sum of positive squares in 2 ways, for example, as 50808384 + 46656 = 7128^2 + 216^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50854995 and 50855013.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 466506 + ... + 466614.

Almost surely, 2^50855040 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 50855040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91975950).

50855040 is an abundant number, since it is smaller than the sum of its proper divisors (133096860).

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

50855040 is an equidigital number, since it uses as much as digits as its factorization.

50855040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 50855040 is about 7131.2719763027. The cubic root of 50855040 is about 370.4912879657.

The spelling of 50855040 in words is "fifty million, eight hundred fifty-five thousand, forty".