56031445 has 4 divisors (see below), whose sum is σ = 67237740. Its totient is φ = 44825152.

The previous prime is 56031433. The next prime is 56031457. The reversal of 56031445 is 54413065.

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 (56031433) and next prime (56031457).

It can be written as a sum of positive squares in 2 ways, for example, as 29343889 + 26687556 = 5417^2 + 5166^2 .

It is a cyclic number.

It is not a de Polignac number, because 56031445 - 2¹⁹ = 55507157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5603140 + ... + 5603149.

It is an arithmetic number, because the mean of its divisors is an integer number (16809435).

Almost surely, 2^56031445 is an apocalyptic number.

It is an amenable number.

56031445 is a deficient number, since it is larger than the sum of its proper divisors (11206295).

56031445 is a wasteful number, since it uses less digits than its factorization.

56031445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11206294.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56031445 is about 7485.4154861303. The cubic root of 56031445 is about 382.6578328232.

The spelling of 56031445 in words is "fifty-six million, thirty-one thousand, four hundred forty-five".