53694945 has 48 divisors (see below), whose sum is σ = 97803264. Its totient is φ = 27216000.

The previous prime is 53694929. The next prime is 53694967. The reversal of 53694945 is 54949635.

53694945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53694945 - 2⁴ = 53694929 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53694945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84780 + ... + 85410.

It is an arithmetic number, because the mean of its divisors is an integer number (2037568).

Almost surely, 2^53694945 is an apocalyptic number.

It is an amenable number.

53694945 is a deficient number, since it is larger than the sum of its proper divisors (44108319).

53694945 is a wasteful number, since it uses less digits than its factorization.

53694945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 731 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 53694945 is about 7327.6834675087. The cubic root of 53694945 is about 377.2632200809.

It can be divided in two parts, 536 and 94945, that added together give a square (95481 = 309²).

The spelling of 53694945 in words is "fifty-three million, six hundred ninety-four thousand, nine hundred forty-five".