56406111 has 8 divisors (see below), whose sum is σ = 75782784. Its totient is φ = 37316760.

The previous prime is 56406101. The next prime is 56406113. The reversal of 56406111 is 11160465.

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

It is not a de Polignac number, because 56406111 - 2⁶ = 56406047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56406113) 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, 71371 + ... + 72156.

It is an arithmetic number, because the mean of its divisors is an integer number (9472848).

Almost surely, 2^56406111 is an apocalyptic number.

56406111 is a deficient number, since it is larger than the sum of its proper divisors (19376673).

56406111 is a wasteful number, since it uses less digits than its factorization.

56406111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143661.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 56406111 is about 7510.4001890712. The cubic root of 56406111 is about 383.5088460716.

Adding to 56406111 its reverse (11160465), we get a palindrome (67566576).

The spelling of 56406111 in words is "fifty-six million, four hundred six thousand, one hundred eleven".