56212623 has 20 divisors (see below), whose sum is σ = 84462840. Its totient is φ = 37256112.

The previous prime is 56212603. The next prime is 56212631. The reversal of 56212623 is 32621265.

It is not a de Polignac number, because 56212623 - 2⁹ = 56212111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56212603) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12561 + ... + 16437.

It is an arithmetic number, because the mean of its divisors is an integer number (4223142).

Almost surely, 2^56212623 is an apocalyptic number.

56212623 is a deficient number, since it is larger than the sum of its proper divisors (28250217).

56212623 is a wasteful number, since it uses less digits than its factorization.

56212623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068 (or 4059 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 56212623 is about 7497.5077859246. The cubic root of 56212623 is about 383.0698311773.

Adding to 56212623 its reverse (32621265), we get a palindrome (88833888).

It can be divided in two parts, 5621262 and 3, that added together give a palindrome (5621265).

The spelling of 56212623 in words is "fifty-six million, two hundred twelve thousand, six hundred twenty-three".