50143020 has 24 divisors (see below), whose sum is σ = 140400624. Its totient is φ = 13371456.

The previous prime is 50143007. The next prime is 50143021. The reversal of 50143020 is 2034105.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (50143021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417799 + ... + 417918.

It is an arithmetic number, because the mean of its divisors is an integer number (5850026).

Almost surely, 2^50143020 is an apocalyptic number.

It is an amenable number.

50143020 is an abundant number, since it is smaller than the sum of its proper divisors (90257604).

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

50143020 is a wasteful number, since it uses less digits than its factorization.

50143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835729 (or 835727 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 50143020 is about 7081.1736315388. The cubic root of 50143020 is about 368.7540756037.

Adding to 50143020 its reverse (2034105), we get a palindrome (52177125).

The spelling of 50143020 in words is "fifty million, one hundred forty-three thousand, twenty".