50985550 has 192 divisors, whose sum is σ = 134991360. Its totient is φ = 13824000.

The previous prime is 50985527. The next prime is 50985551. The reversal of 50985550 is 5558905.

50985550 = 85² + 86² + ... + 535².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50985551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1243530 + ... + 1243570.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^50985550 is an apocalyptic number.

50985550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50985550 is an abundant number, since it is smaller than the sum of its proper divisors (84005810).

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

50985550 is a wasteful number, since it uses less digits than its factorization.

50985550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

The square root of 50985550 is about 7140.4166545097. The cubic root of 50985550 is about 370.8079495593.

It can be divided in two parts, 509855 and 50, that added together give a palindrome (509905).

The spelling of 50985550 in words is "fifty million, nine hundred eighty-five thousand, five hundred fifty".