56946145 has 8 divisors (see below), whose sum is σ = 70182504. Its totient is φ = 44325504.

The previous prime is 56946121. The next prime is 56946179. The reversal of 56946145 is 54164965.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26132544 + 30813601 = 5112^2 + 5551^2 .

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 56946145 - 2⁷ = 56946017 is a prime.

It is a super-2 number, since 2×56946145² = 6485726860722050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56946098 and 56946107.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153724 + ... + 154093.

It is an arithmetic number, because the mean of its divisors is an integer number (8772813).

Almost surely, 2^56946145 is an apocalyptic number.

It is an amenable number.

56946145 is a deficient number, since it is larger than the sum of its proper divisors (13236359).

56946145 is a wasteful number, since it uses less digits than its factorization.

56946145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307859.

The product of its digits is 129600, while the sum is 40.

The square root of 56946145 is about 7546.2669579071. The cubic root of 56946145 is about 384.7288696553.

The spelling of 56946145 in words is "fifty-six million, nine hundred forty-six thousand, one hundred forty-five".