55509064 has 24 divisors (see below), whose sum is σ = 112704210. Its totient is φ = 25618944.

The previous prime is 55509061. The next prime is 55509101. The reversal of 55509064 is 46090555.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15288100 + 40220964 = 3910^2 + 6342^2 .

It is not an unprimeable number, because it can be changed into a prime (55509061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19177 + ... + 21880.

Almost surely, 2^55509064 is an apocalyptic number.

It is an amenable number.

55509064 is an abundant number, since it is smaller than the sum of its proper divisors (57195146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55509064 is a wasteful number, since it uses less digits than its factorization.

55509064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41089 (or 41072 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 55509064 is about 7450.4405238885. The cubic root of 55509064 is about 381.4649453879.

The spelling of 55509064 in words is "fifty-five million, five hundred nine thousand, sixty-four".