53999445 has 8 divisors (see below), whose sum is σ = 86399136. Its totient is φ = 28799696.

The previous prime is 53999437. The next prime is 53999447. The reversal of 53999445 is 54499935.

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 53999445 - 2³ = 53999437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53999394 and 53999403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53999447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799967 + ... + 1799996.

It is an arithmetic number, because the mean of its divisors is an integer number (10799892).

Almost surely, 2^53999445 is an apocalyptic number.

It is an amenable number.

53999445 is a deficient number, since it is larger than the sum of its proper divisors (32399691).

53999445 is a wasteful number, since it uses less digits than its factorization.

53999445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599971.

The product of its digits is 874800, while the sum is 48.

The square root of 53999445 is about 7348.4314652856. The cubic root of 53999445 is about 377.9750200452.

The spelling of 53999445 in words is "fifty-three million, nine hundred ninety-nine thousand, four hundred forty-five".