56440105 has 8 divisors (see below), whose sum is σ = 67969152. Its totient is φ = 44991408.

The previous prime is 56440103. The next prime is 56440117. The reversal of 56440105 is 50104465.

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 56440105 - 2¹ = 56440103 is a prime.

It is a super-2 number, since 2×56440105² = 6370970904822050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56440105.

It is not an unprimeable number, because it can be changed into a prime (56440103) 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, 18529 + ... + 21358.

It is an arithmetic number, because the mean of its divisors is an integer number (8496144).

Almost surely, 2^56440105 is an apocalyptic number.

It is an amenable number.

56440105 is a deficient number, since it is larger than the sum of its proper divisors (11529047).

56440105 is a wasteful number, since it uses less digits than its factorization.

56440105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40175.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 56440105 is about 7512.6629766016. The cubic root of 56440105 is about 383.5858730780.

The spelling of 56440105 in words is "fifty-six million, four hundred forty thousand, one hundred five".