56742941 has 4 divisors (see below), whose sum is σ = 58276572. Its totient is φ = 55209312.

The previous prime is 56742919. The next prime is 56742943. The reversal of 56742941 is 14924765.

56742941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14924765 = 5 ⋅2984953.

It can be written as a sum of positive squares in 2 ways, for example, as 29920900 + 26822041 = 5470^2 + 5179^2 .

It is a cyclic number.

It is not a de Polignac number, because 56742941 - 2¹⁰ = 56741917 is a prime.

It is a super-2 number, since 2×56742941² = 6439522706658962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56742895 and 56742904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56742943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766760 + ... + 766833.

It is an arithmetic number, because the mean of its divisors is an integer number (14569143).

Almost surely, 2^56742941 is an apocalyptic number.

It is an amenable number.

56742941 is a deficient number, since it is larger than the sum of its proper divisors (1533631).

56742941 is a wasteful number, since it uses less digits than its factorization.

56742941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533630.

The product of its digits is 60480, while the sum is 38.

The square root of 56742941 is about 7532.7910498035. The cubic root of 56742941 is about 384.2707080041.

The spelling of 56742941 in words is "fifty-six million, seven hundred forty-two thousand, nine hundred forty-one".