56553941 has 4 divisors (see below), whose sum is σ = 59012832. Its totient is φ = 54095052.

The previous prime is 56553923. The next prime is 56553943. The reversal of 56553941 is 14935565.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14935565 = 5 ⋅2987113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56553941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56553895 and 56553904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56553943) 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, 1229411 + ... + 1229456.

It is an arithmetic number, because the mean of its divisors is an integer number (14753208).

Almost surely, 2^56553941 is an apocalyptic number.

It is an amenable number.

56553941 is a deficient number, since it is larger than the sum of its proper divisors (2458891).

56553941 is a wasteful number, since it uses less digits than its factorization.

56553941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458890.

The product of its digits is 81000, while the sum is 38.

The square root of 56553941 is about 7520.2354351443. The cubic root of 56553941 is about 383.8435890952.

The spelling of 56553941 in words is "fifty-six million, five hundred fifty-three thousand, nine hundred forty-one".