55577416 has 8 divisors (see below), whose sum is σ = 104207670. Its totient is φ = 27788704.

The previous prime is 55577399. The next prime is 55577429. The reversal of 55577416 is 61477555.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39012516 + 16564900 = 6246^2 + 4070^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473581 + ... + 3473596.

Almost surely, 2^55577416 is an apocalyptic number.

It is an amenable number.

55577416 is a deficient number, since it is larger than the sum of its proper divisors (48630254).

55577416 is a wasteful number, since it uses less digits than its factorization.

55577416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947183 (or 6947179 counting only the distinct ones).

The product of its digits is 147000, while the sum is 40.

The square root of 55577416 is about 7455.0262239646. The cubic root of 55577416 is about 381.6214555457.

The spelling of 55577416 in words is "fifty-five million, five hundred seventy-seven thousand, four hundred sixteen".