50788890 has 32 divisors (see below), whose sum is σ = 135437760. Its totient is φ = 13543632.

The previous prime is 50788883. The next prime is 50788897. The reversal of 50788890 is 9888705.

50788890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50788883) and next prime (50788897).

It is a super-2 number, since 2×50788890² = 5159022694864200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (50788897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93784 + ... + 94323.

It is an arithmetic number, because the mean of its divisors is an integer number (4232430).

Almost surely, 2^50788890 is an apocalyptic number.

50788890 is an abundant number, since it is smaller than the sum of its proper divisors (84648870).

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

50788890 is a wasteful number, since it uses less digits than its factorization.

50788890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188123 (or 188117 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 50788890 is about 7126.6324445702. The cubic root of 50788890 is about 370.3305786719.

The spelling of 50788890 in words is "fifty million, seven hundred eighty-eight thousand, eight hundred ninety".