55063555 has 16 divisors (see below), whose sum is σ = 68770944. Its totient is φ = 42290560.

The previous prime is 55063549. The next prime is 55063559. The reversal of 55063555 is 55536055.

It is not a de Polignac number, because 55063555 - 2⁵ = 55063523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55063555.

It is not an unprimeable number, because it can be changed into a prime (55063559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10245 + ... + 14665.

It is an arithmetic number, because the mean of its divisors is an integer number (4298184).

Almost surely, 2^55063555 is an apocalyptic number.

55063555 is a deficient number, since it is larger than the sum of its proper divisors (13707389).

55063555 is a wasteful number, since it uses less digits than its factorization.

55063555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526.

The product of its (nonzero) digits is 56250, while the sum is 34.

The square root of 55063555 is about 7420.4821271936. The cubic root of 55063555 is about 380.4416725041.

The spelling of 55063555 in words is "fifty-five million, sixty-three thousand, five hundred fifty-five".