55570016 has 12 divisors (see below), whose sum is σ = 109403532. Its totient is φ = 27784992.

The previous prime is 55570007. The next prime is 55570019. The reversal of 55570016 is 61007555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55570019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 868250 + ... + 868313.

It is an arithmetic number, because the mean of its divisors is an integer number (9116961).

Almost surely, 2^55570016 is an apocalyptic number.

It is an amenable number.

55570016 is a deficient number, since it is larger than the sum of its proper divisors (53833516).

55570016 is a wasteful number, since it uses less digits than its factorization.

55570016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736573 (or 1736565 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 55570016 is about 7454.5298979882. The cubic root of 55570016 is about 381.6045174659.

The spelling of 55570016 in words is "fifty-five million, five hundred seventy thousand, sixteen".