56273420 has 24 divisors (see below), whose sum is σ = 135056544. Its totient is φ = 19293696.

The previous prime is 56273389. The next prime is 56273423. The reversal of 56273420 is 2437265.

It is not an unprimeable number, because it can be changed into a prime (56273423) 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, 200837 + ... + 201116.

It is an arithmetic number, because the mean of its divisors is an integer number (5627356).

Almost surely, 2^56273420 is an apocalyptic number.

It is an amenable number.

56273420 is an abundant number, since it is smaller than the sum of its proper divisors (78783124).

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

56273420 is a wasteful number, since it uses less digits than its factorization.

56273420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401969 (or 401967 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 56273420 is about 7501.5611708497. The cubic root of 56273420 is about 383.2078850167.

The spelling of 56273420 in words is "fifty-six million, two hundred seventy-three thousand, four hundred twenty".