53505555 has 16 divisors (see below), whose sum is σ = 85772544. Its totient is φ = 28481760.

The previous prime is 53505553. The next prime is 53505559. The reversal of 53505555 is 55550535.

It is not a de Polignac number, because 53505555 - 2¹ = 53505553 is a prime.

53505555 is a modest number, since divided by 5555 gives 5350 as remainder.

It is not an unprimeable number, because it can be changed into a prime (53505553) 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, 5442 + ... + 11688.

It is an arithmetic number, because the mean of its divisors is an integer number (5360784).

Almost surely, 2^53505555 is an apocalyptic number.

53505555 is a deficient number, since it is larger than the sum of its proper divisors (32266989).

53505555 is a wasteful number, since it uses less digits than its factorization.

53505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6826.

The product of its (nonzero) digits is 46875, while the sum is 33.

The square root of 53505555 is about 7314.7491412898. The cubic root of 53505555 is about 376.8191432005.

The spelling of 53505555 in words is "fifty-three million, five hundred five thousand, five hundred fifty-five".