53946561 has 8 divisors (see below), whose sum is σ = 71981280. Its totient is φ = 35938112.

The previous prime is 53946551. The next prime is 53946619. The reversal of 53946561 is 16564935.

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 53946561 - 2⁷ = 53946433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53946551) 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, 1131 + ... + 10448.

It is an arithmetic number, because the mean of its divisors is an integer number (8997660).

Almost surely, 2^53946561 is an apocalyptic number.

It is an amenable number.

53946561 is a deficient number, since it is larger than the sum of its proper divisors (18034719).

53946561 is a wasteful number, since it uses less digits than its factorization.

53946561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13135.

The product of its digits is 97200, while the sum is 39.

The square root of 53946561 is about 7344.8322649329. The cubic root of 53946561 is about 377.8515906295.

The spelling of 53946561 in words is "fifty-three million, nine hundred forty-six thousand, five hundred sixty-one".