50143980 has 24 divisors (see below), whose sum is σ = 140403312. Its totient is φ = 13371712.

The previous prime is 50143967. The next prime is 50143981. The reversal of 50143980 is 8934105.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (50143981) 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, 417807 + ... + 417926.

It is an arithmetic number, because the mean of its divisors is an integer number (5850138).

Almost surely, 2^50143980 is an apocalyptic number.

It is an amenable number.

50143980 is an abundant number, since it is smaller than the sum of its proper divisors (90259332).

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

50143980 is a wasteful number, since it uses less digits than its factorization.

50143980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835745 (or 835743 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 50143980 is about 7081.2414165879. The cubic root of 50143980 is about 368.7564288834.

The spelling of 50143980 in words is "fifty million, one hundred forty-three thousand, nine hundred eighty".