56621301 has 8 divisors (see below), whose sum is σ = 82358304. Its totient is φ = 34315920.

The previous prime is 56621281. The next prime is 56621303. The reversal of 56621301 is 10312665.

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

It is not a de Polignac number, because 56621301 - 2¹¹ = 56619253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56621303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857866 + ... + 857931.

It is an arithmetic number, because the mean of its divisors is an integer number (10294788).

Almost surely, 2^56621301 is an apocalyptic number.

It is an amenable number.

56621301 is a deficient number, since it is larger than the sum of its proper divisors (25737003).

56621301 is a wasteful number, since it uses less digits than its factorization.

56621301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715811.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 56621301 is about 7524.7126855449. The cubic root of 56621301 is about 383.9959241646.

Adding to 56621301 its reverse (10312665), we get a palindrome (66933966).

The spelling of 56621301 in words is "fifty-six million, six hundred twenty-one thousand, three hundred one".