56413021 has 8 divisors (see below), whose sum is σ = 68264640. Its totient is φ = 45509568.

The previous prime is 56413001. The next prime is 56413061. The reversal of 56413021 is 12031465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56413021 - 2¹⁷ = 56281949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56412983 and 56413001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56413001) 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, 236911 + ... + 237148.

It is an arithmetic number, because the mean of its divisors is an integer number (8533080).

Almost surely, 2^56413021 is an apocalyptic number.

It is an amenable number.

56413021 is a deficient number, since it is larger than the sum of its proper divisors (11851619).

56413021 is a wasteful number, since it uses less digits than its factorization.

56413021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474083.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56413021 is about 7510.8602037317. The cubic root of 56413021 is about 383.5245059465.

Adding to 56413021 its reverse (12031465), we get a palindrome (68444486).

The spelling of 56413021 in words is "fifty-six million, four hundred thirteen thousand, twenty-one".