56143850 has 48 divisors (see below), whose sum is σ = 121920768. Its totient is φ = 18834240.

The previous prime is 56143823. The next prime is 56143909. The reversal of 56143850 is 5834165.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14744 + ... + 18156.

It is an arithmetic number, because the mean of its divisors is an integer number (2540016).

Almost surely, 2^56143850 is an apocalyptic number.

56143850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56143850 is an abundant number, since it is smaller than the sum of its proper divisors (65776918).

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

56143850 is a wasteful number, since it uses less digits than its factorization.

56143850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 56143850 is about 7492.9199915654. The cubic root of 56143850 is about 382.9135459207.

The spelling of 56143850 in words is "fifty-six million, one hundred forty-three thousand, eight hundred fifty".