55355525 has 6 divisors (see below), whose sum is σ = 68640882. Its totient is φ = 44284400.

The previous prime is 55355473. The next prime is 55355527. The reversal of 55355525 is 52555355.

It can be written as a sum of positive squares in 3 ways, for example, as 388129 + 54967396 = 623^2 + 7414^2 .

It is not a de Polignac number, because 55355525 - 2⁸ = 55355269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55355527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1107086 + ... + 1107135.

It is an arithmetic number, because the mean of its divisors is an integer number (11440147).

Almost surely, 2^55355525 is an apocalyptic number.

It is an amenable number.

55355525 is a deficient number, since it is larger than the sum of its proper divisors (13285357).

55355525 is a wasteful number, since it uses less digits than its factorization.

55355525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214231 (or 2214226 counting only the distinct ones).

The product of its digits is 93750, while the sum is 35.

The square root of 55355525 is about 7440.1293671548. The cubic root of 55355525 is about 381.1129077998.

The spelling of 55355525 in words is "fifty-five million, three hundred fifty-five thousand, five hundred twenty-five".