50121400 has 48 divisors (see below), whose sum is σ = 133183440. Its totient is φ = 17184000.

The previous prime is 50121353. The next prime is 50121413. The reversal of 50121400 is 412105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16501 + ... + 19300.

It is an arithmetic number, because the mean of its divisors is an integer number (2774655).

Almost surely, 2^50121400 is an apocalyptic number.

50121400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50121400 is an abundant number, since it is smaller than the sum of its proper divisors (83062040).

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

50121400 is a wasteful number, since it uses less digits than its factorization.

50121400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35824 (or 35815 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 50121400 is about 7079.6468838495. The cubic root of 50121400 is about 368.7010698267.

Adding to 50121400 its reverse (412105), we get a palindrome (50533505).

The spelling of 50121400 in words is "fifty million, one hundred twenty-one thousand, four hundred".