56273487 has 4 divisors (see below), whose sum is σ = 75031320. Its totient is φ = 37515656.

The previous prime is 56273473. The next prime is 56273509. The reversal of 56273487 is 78437265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56273487 - 2⁴ = 56273471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56273467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9378912 + ... + 9378917.

It is an arithmetic number, because the mean of its divisors is an integer number (18757830).

Almost surely, 2^56273487 is an apocalyptic number.

56273487 is a deficient number, since it is larger than the sum of its proper divisors (18757833).

56273487 is a wasteful number, since it uses less digits than its factorization.

56273487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18757832.

The product of its digits is 282240, while the sum is 42.

The square root of 56273487 is about 7501.5656365855. The cubic root of 56273487 is about 383.2080371010.

The spelling of 56273487 in words is "fifty-six million, two hundred seventy-three thousand, four hundred eighty-seven".