55155758 has 32 divisors (see below), whose sum is σ = 98316288. Its totient is φ = 22708800.

The previous prime is 55155743. The next prime is 55155791. The reversal of 55155758 is 85755155.

It is a happy number.

55155758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55155758³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 72098 + ... + 72858.

It is an arithmetic number, because the mean of its divisors is an integer number (3072384).

Almost surely, 2^55155758 is an apocalyptic number.

55155758 is a deficient number, since it is larger than the sum of its proper divisors (43160530).

55155758 is a wasteful number, since it uses less digits than its factorization.

55155758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its digits is 175000, while the sum is 41.

The square root of 55155758 is about 7426.6922650666. The cubic root of 55155758 is about 380.6539018249.

The spelling of 55155758 in words is "fifty-five million, one hundred fifty-five thousand, seven hundred fifty-eight".