55520606 has 16 divisors (see below), whose sum is σ = 88328880. Its totient is φ = 26083200.

The previous prime is 55520599. The next prime is 55520639. The reversal of 55520606 is 60602555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28256 + ... + 30156.

It is an arithmetic number, because the mean of its divisors is an integer number (5520555).

Almost surely, 2^55520606 is an apocalyptic number.

55520606 is a deficient number, since it is larger than the sum of its proper divisors (32808274).

55520606 is a wasteful number, since it uses less digits than its factorization.

55520606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55520606 is about 7451.2150686985. The cubic root of 55520606 is about 381.4913828917.

The spelling of 55520606 in words is "fifty-five million, five hundred twenty thousand, six hundred six".