53944308 has 36 divisors (see below), whose sum is σ = 148756608. Its totient is φ = 16346640.

The previous prime is 53944277. The next prime is 53944327. The reversal of 53944308 is 80344935.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67716 + ... + 68507.

It is an arithmetic number, because the mean of its divisors is an integer number (4132128).

Almost surely, 2^53944308 is an apocalyptic number.

It is an amenable number.

53944308 is an abundant number, since it is smaller than the sum of its proper divisors (94812300).

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

53944308 is a wasteful number, since it uses less digits than its factorization.

53944308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136244 (or 136239 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 53944308 is about 7344.6788901898. The cubic root of 53944308 is about 377.8463304148.

The spelling of 53944308 in words is "fifty-three million, nine hundred forty-four thousand, three hundred eight".