53666744 has 8 divisors (see below), whose sum is σ = 100625160. Its totient is φ = 26833368.

The previous prime is 53666741. The next prime is 53666747. The reversal of 53666744 is 44766635.

It is an interprime number because it is at equal distance from previous prime (53666741) and next prime (53666747).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53666741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3354164 + ... + 3354179.

It is an arithmetic number, because the mean of its divisors is an integer number (12578145).

Almost surely, 2^53666744 is an apocalyptic number.

It is an amenable number.

53666744 is a deficient number, since it is larger than the sum of its proper divisors (46958416).

53666744 is a wasteful number, since it uses less digits than its factorization.

53666744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708349 (or 6708345 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 53666744 is about 7325.7589367928. The cubic root of 53666744 is about 377.1971613286.

The spelling of 53666744 in words is "fifty-three million, six hundred sixty-six thousand, seven hundred forty-four".