50055540 has 24 divisors (see below), whose sum is σ = 140155680. Its totient is φ = 13348128.

The previous prime is 50055539. The next prime is 50055559. The reversal of 50055540 is 4555005.

It is a self number, because there is not a number n which added to its sum of digits gives 50055540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417070 + ... + 417189.

It is an arithmetic number, because the mean of its divisors is an integer number (5839820).

Almost surely, 2^50055540 is an apocalyptic number.

It is an amenable number.

50055540 is an abundant number, since it is smaller than the sum of its proper divisors (90100140).

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

50055540 is a wasteful number, since it uses less digits than its factorization.

50055540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834271 (or 834269 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 50055540 is about 7074.9939929303. The cubic root of 50055540 is about 368.5395067944.

The spelling of 50055540 in words is "fifty million, fifty-five thousand, five hundred forty".