50990310 has 240 divisors, whose sum is σ = 173438496. Its totient is φ = 10492416.

The previous prime is 50990297. The next prime is 50990311. The reversal of 50990310 is 1309905.

50990310 = T₂₀₄ + T₂₀₅ + ... + T₆₇₉.

It is a super-2 number, since 2×50990310² = 5200023427792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50990311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2216959 + ... + 2216981.

Almost surely, 2^50990310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50990310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86719248).

50990310 is an abundant number, since it is smaller than the sum of its proper divisors (122448186).

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

50990310 is a wasteful number, since it uses less digits than its factorization.

50990310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 50990310 is about 7140.7499606134. The cubic root of 50990310 is about 370.8194887171.

The spelling of 50990310 in words is "fifty million, nine hundred ninety thousand, three hundred ten".