55355535 has 64 divisors (see below), whose sum is σ = 102936960. Its totient is φ = 28200960.

The previous prime is 55355533. The next prime is 55355551. The reversal of 55355535 is 53555355.

55355535 is a `hidden beast` number, since 553 + 55 + 53 + 5 = 666.

55355535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55355535 - 2¹ = 55355533 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 55355535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55355533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 403987 + ... + 404123.

It is an arithmetic number, because the mean of its divisors is an integer number (1608390).

Almost surely, 2^55355535 is an apocalyptic number.

55355535 is a deficient number, since it is larger than the sum of its proper divisors (47581425).

55355535 is a wasteful number, since it uses less digits than its factorization.

55355535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its digits is 140625, while the sum is 36.

The square root of 55355535 is about 7440.1300391861. The cubic root of 55355535 is about 381.1129307493.

The spelling of 55355535 in words is "fifty-five million, three hundred fifty-five thousand, five hundred thirty-five".