55501616 has 10 divisors (see below), whose sum is σ = 107534412. Its totient is φ = 27750800.

The previous prime is 55501597. The next prime is 55501627. The reversal of 55501616 is 61610555.

55501616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55501616² = 6160858757222912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1734410 + ... + 1734441.

Almost surely, 2^55501616 is an apocalyptic number.

It is an amenable number.

55501616 is a deficient number, since it is larger than the sum of its proper divisors (52032796).

55501616 is a wasteful number, since it uses less digits than its factorization.

55501616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468859 (or 3468853 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55501616 is about 7449.9406709047. The cubic root of 55501616 is about 381.4478834417.

The spelling of 55501616 in words is "fifty-five million, five hundred one thousand, six hundred sixteen".