56433140 has 24 divisors (see below), whose sum is σ = 121714152. Its totient is φ = 21962880.

The previous prime is 56433133. The next prime is 56433163. The reversal of 56433140 is 4133465.

It can be written as a sum of positive squares in 4 ways, for example, as 15319396 + 41113744 = 3914^2 + 6412^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37391 + ... + 38870.

It is an arithmetic number, because the mean of its divisors is an integer number (5071423).

Almost surely, 2^56433140 is an apocalyptic number.

It is an amenable number.

56433140 is an abundant number, since it is smaller than the sum of its proper divisors (65281012).

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

56433140 is a wasteful number, since it uses less digits than its factorization.

56433140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76307 (or 76305 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 56433140 is about 7512.1994116237. The cubic root of 56433140 is about 383.5700936039.

The spelling of 56433140 in words is "fifty-six million, four hundred thirty-three thousand, one hundred forty".