55744064 has 14 divisors (see below), whose sum is σ = 110617254. Its totient is φ = 27872000.

The previous prime is 55744049. The next prime is 55744069. The reversal of 55744064 is 46044755.

It can be written as a sum of positive squares in only one way, i.e., 54760000 + 984064 = 7400^2 + 992^2 .

It is not an unprimeable number, because it can be changed into a prime (55744069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435437 + ... + 435564.

Almost surely, 2^55744064 is an apocalyptic number.

It is an amenable number.

55744064 is a deficient number, since it is larger than the sum of its proper divisors (54873190).

55744064 is an equidigital number, since it uses as much as digits as its factorization.

55744064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871013 (or 871003 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 55744064 is about 7466.1947469913. The cubic root of 55744064 is about 382.0025035699.

The spelling of 55744064 in words is "fifty-five million, seven hundred forty-four thousand, sixty-four".