55911448 has 8 divisors (see below), whose sum is σ = 104833980. Its totient is φ = 27955720.

The previous prime is 55911437. The next prime is 55911469. The reversal of 55911448 is 84411955.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494458 + ... + 3494473.

Almost surely, 2^55911448 is an apocalyptic number.

It is an amenable number.

55911448 is a deficient number, since it is larger than the sum of its proper divisors (48922532).

55911448 is a wasteful number, since it uses less digits than its factorization.

55911448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988937 (or 6988933 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 55911448 is about 7477.3958033529. The cubic root of 55911448 is about 382.3844707839.

The spelling of 55911448 in words is "fifty-five million, nine hundred eleven thousand, four hundred forty-eight".