56988145 has 4 divisors (see below), whose sum is σ = 68385780. Its totient is φ = 45590512.

The previous prime is 56988119. The next prime is 56988167. The reversal of 56988145 is 54188965.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10188864 + 46799281 = 3192^2 + 6841^2 .

It is a cyclic number.

It is not a de Polignac number, because 56988145 - 2⁹ = 56987633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56988095 and 56988104.

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, 5698810 + ... + 5698819.

It is an arithmetic number, because the mean of its divisors is an integer number (17096445).

Almost surely, 2^56988145 is an apocalyptic number.

It is an amenable number.

56988145 is a deficient number, since it is larger than the sum of its proper divisors (11397635).

56988145 is a wasteful number, since it uses less digits than its factorization.

56988145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11397634.

The product of its digits is 345600, while the sum is 46.

The square root of 56988145 is about 7549.0492778892. The cubic root of 56988145 is about 384.8234305872.

The spelling of 56988145 in words is "fifty-six million, nine hundred eighty-eight thousand, one hundred forty-five".