50771772 has 30 divisors (see below), whose sum is σ = 132728288. Its totient is φ = 16923816.

The previous prime is 50771771. The next prime is 50771803. The reversal of 50771772 is 27717705.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50771771) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 78028 + ... + 78675.

Almost surely, 2^50771772 is an apocalyptic number.

It is an amenable number.

50771772 is an abundant number, since it is smaller than the sum of its proper divisors (81956516).

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

50771772 is a wasteful number, since it uses less digits than its factorization.

50771772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156719 (or 156708 counting only the distinct ones).

The product of its (nonzero) digits is 24010, while the sum is 36.

The square root of 50771772 is about 7125.4313553637. The cubic root of 50771772 is about 370.2889683172.

The spelling of 50771772 in words is "fifty million, seven hundred seventy-one thousand, seven hundred seventy-two".