50755866 has 48 divisors (see below), whose sum is σ = 121916160. Its totient is φ = 14031360.

The previous prime is 50755849. The next prime is 50755877. The reversal of 50755866 is 66855705.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6330 + ... + 11898.

It is an arithmetic number, because the mean of its divisors is an integer number (2539920).

Almost surely, 2^50755866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50755866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60958080).

50755866 is an abundant number, since it is smaller than the sum of its proper divisors (71160294).

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

50755866 is a wasteful number, since it uses less digits than its factorization.

50755866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619 (or 5612 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 50755866 is about 7124.3151249787. The cubic root of 50755866 is about 370.2502957027.

The spelling of 50755866 in words is "fifty million, seven hundred fifty-five thousand, eight hundred sixty-six".