53944566 has 32 divisors (see below), whose sum is σ = 118389600. Its totient is φ = 16283904.

The previous prime is 53944547. The next prime is 53944567. The reversal of 53944566 is 66544935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53944567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2391 + ... + 10658.

It is an arithmetic number, because the mean of its divisors is an integer number (3699675).

Almost surely, 2^53944566 is an apocalyptic number.

53944566 is an abundant number, since it is smaller than the sum of its proper divisors (64445034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53944566 is a wasteful number, since it uses less digits than its factorization.

53944566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13120.

The product of its digits is 388800, while the sum is 42.

The square root of 53944566 is about 7344.6964539047. The cubic root of 53944566 is about 377.8469327904.

The spelling of 53944566 in words is "fifty-three million, nine hundred forty-four thousand, five hundred sixty-six".