50491012 has 48 divisors (see below), whose sum is σ = 104936832. Its totient is φ = 20954880.

The previous prime is 50490997. The next prime is 50491013. The reversal of 50491012 is 21019405.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (50491013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58488 + ... + 59344.

It is an arithmetic number, because the mean of its divisors is an integer number (2186184).

Almost surely, 2^50491012 is an apocalyptic number.

50491012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50491012 is an abundant number, since it is smaller than the sum of its proper divisors (54445820).

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

50491012 is a wasteful number, since it uses less digits than its factorization.

50491012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 50491012 is about 7105.7027801619. The cubic root of 50491012 is about 369.6051595171.

The spelling of 50491012 in words is "fifty million, four hundred ninety-one thousand, twelve".