56548537 has 4 divisors (see below), whose sum is σ = 57077136. Its totient is φ = 56019940.

The previous prime is 56548529. The next prime is 56548561. The reversal of 56548537 is 73584565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56548537 - 2³ = 56548529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56548493 and 56548502.

It is not an unprimeable number, because it can be changed into a prime (56548517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264139 + ... + 264352.

It is an arithmetic number, because the mean of its divisors is an integer number (14269284).

Almost surely, 2^56548537 is an apocalyptic number.

It is an amenable number.

56548537 is a deficient number, since it is larger than the sum of its proper divisors (528599).

56548537 is a wasteful number, since it uses less digits than its factorization.

56548537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528598.

The product of its digits is 504000, while the sum is 43.

The square root of 56548537 is about 7519.8761292989. The cubic root of 56548537 is about 383.8313626745.

The spelling of 56548537 in words is "fifty-six million, five hundred forty-eight thousand, five hundred thirty-seven".