50720558 has 8 divisors (see below), whose sum is σ = 86949552. Its totient is φ = 21737376.

The previous prime is 50720539. The next prime is 50720561. The reversal of 50720558 is 85502705.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×50720558³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811435 + ... + 1811462.

It is an arithmetic number, because the mean of its divisors is an integer number (10868694).

Almost surely, 2^50720558 is an apocalyptic number.

50720558 is a deficient number, since it is larger than the sum of its proper divisors (36228994).

50720558 is a wasteful number, since it uses less digits than its factorization.

50720558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622906.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 50720558 is about 7121.8367013011. The cubic root of 50720558 is about 370.1644216880.

The spelling of 50720558 in words is "fifty million, seven hundred twenty thousand, five hundred fifty-eight".