50401780 has 48 divisors (see below), whose sum is σ = 124354944. Its totient is φ = 16917120.

The previous prime is 50401777. The next prime is 50401801. The reversal of 50401780 is 8710405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5952 + ... + 11671.

It is an arithmetic number, because the mean of its divisors is an integer number (2590728).

Almost surely, 2^50401780 is an apocalyptic number.

It is an amenable number.

50401780 is an abundant number, since it is smaller than the sum of its proper divisors (73953164).

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

50401780 is a wasteful number, since it uses less digits than its factorization.

50401780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17656 (or 17654 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 50401780 is about 7099.4211031605. The cubic root of 50401780 is about 369.3872985943.

The spelling of 50401780 in words is "fifty million, four hundred one thousand, seven hundred eighty".