50143700 has 36 divisors (see below), whose sum is σ = 110318460. Its totient is φ = 19779840.

The previous prime is 50143673. The next prime is 50143721. The reversal of 50143700 is 734105.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9132484 + 41011216 = 3022^2 + 6404^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3866 + ... + 10734.

Almost surely, 2^50143700 is an apocalyptic number.

50143700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50143700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55159230).

50143700 is an abundant number, since it is smaller than the sum of its proper divisors (60174760).

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

50143700 is a wasteful number, since it uses less digits than its factorization.

50143700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956 (or 6949 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 50143700 is about 7081.2216460156. The cubic root of 50143700 is about 368.7557425133.

Adding to 50143700 its reverse (734105), we get a palindrome (50877805).

The spelling of 50143700 in words is "fifty million, one hundred forty-three thousand, seven hundred".