56106231 has 4 divisors (see below), whose sum is σ = 74808312. Its totient is φ = 37404152.

The previous prime is 56106229. The next prime is 56106233. The reversal of 56106231 is 13260165.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56106229) and next prime (56106233).

It is a cyclic number.

It is not a de Polignac number, because 56106231 - 2¹ = 56106229 is a prime.

It is a super-2 number, since 2×56106231² = 6295818314050722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56106233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9351036 + ... + 9351041.

It is an arithmetic number, because the mean of its divisors is an integer number (18702078).

Almost surely, 2^56106231 is an apocalyptic number.

56106231 is a deficient number, since it is larger than the sum of its proper divisors (18702081).

56106231 is a wasteful number, since it uses less digits than its factorization.

56106231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18702080.

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

The square root of 56106231 is about 7490.4092678571. The cubic root of 56106231 is about 382.8280034960.

Adding to 56106231 its reverse (13260165), we get a palindrome (69366396).

The spelling of 56106231 in words is "fifty-six million, one hundred six thousand, two hundred thirty-one".