50551100 has 18 divisors (see below), whose sum is σ = 109696104. Its totient is φ = 20220400.

The previous prime is 50551099. The next prime is 50551117. The reversal of 50551100 is 115505.

It is a super-2 number, since 2×50551100² = 5110827422420000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252656 + ... + 252855.

It is an arithmetic number, because the mean of its divisors is an integer number (6094228).

Almost surely, 2^50551100 is an apocalyptic number.

50551100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50551100 is an abundant number, since it is smaller than the sum of its proper divisors (59145004).

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

50551100 is a wasteful number, since it uses less digits than its factorization.

50551100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505525 (or 505518 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 50551100 is about 7109.9296761642. The cubic root of 50551100 is about 369.7517204574.

Adding to 50551100 its reverse (115505), we get a palindrome (50666605).

The spelling of 50551100 in words is "fifty million, five hundred fifty-one thousand, one hundred".