56938545 has 64 divisors (see below), whose sum is σ = 105799680. Its totient is φ = 29393280.

The previous prime is 56938517. The next prime is 56938549. The reversal of 56938545 is 54583965.

56938545 is a `hidden beast` number, since 569 + 3 + 85 + 4 + 5 = 666.

It is not a de Polignac number, because 56938545 - 2⁹ = 56938033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56938545.

It is not an unprimeable number, because it can be changed into a prime (56938549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 448272 + ... + 448398.

It is an arithmetic number, because the mean of its divisors is an integer number (1653120).

Almost surely, 2^56938545 is an apocalyptic number.

It is an amenable number.

56938545 is a deficient number, since it is larger than the sum of its proper divisors (48861135).

56938545 is an equidigital number, since it uses as much as digits as its factorization.

56938545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 176 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 56938545 is about 7545.7633808648. The cubic root of 56938545 is about 384.7117536621.

The spelling of 56938545 in words is "fifty-six million, nine hundred thirty-eight thousand, five hundred forty-five".