53646045 has 16 divisors (see below), whose sum is σ = 87289920. Its totient is φ = 28125824.

The previous prime is 53646037. The next prime is 53646059. The reversal of 53646045 is 54064635.

It is a cyclic number.

It is not a de Polignac number, because 53646045 - 2³ = 53646037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53645997 and 53646015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29424 + ... + 31193.

It is an arithmetic number, because the mean of its divisors is an integer number (5455620).

Almost surely, 2^53646045 is an apocalyptic number.

It is an amenable number.

53646045 is a deficient number, since it is larger than the sum of its proper divisors (33643875).

53646045 is a wasteful number, since it uses less digits than its factorization.

53646045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60684.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 53646045 is about 7324.3460458938. The cubic root of 53646045 is about 377.1486607275.

The spelling of 53646045 in words is "fifty-three million, six hundred forty-six thousand, forty-five".