55439735 has 16 divisors (see below), whose sum is σ = 74118240. Its totient is φ = 39527040.

The previous prime is 55439731. The next prime is 55439773. The reversal of 55439735 is 53793455.

It is a happy number.

It is not a de Polignac number, because 55439735 - 2² = 55439731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55439692 and 55439701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55439731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12821 + ... + 16590.

It is an arithmetic number, because the mean of its divisors is an integer number (4632390).

Almost surely, 2^55439735 is an apocalyptic number.

55439735 is a deficient number, since it is larger than the sum of its proper divisors (18678505).

55439735 is a wasteful number, since it uses less digits than its factorization.

55439735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29458.

The product of its digits is 283500, while the sum is 41.

The square root of 55439735 is about 7445.7863923161. The cubic root of 55439735 is about 381.3060668238.

The spelling of 55439735 in words is "fifty-five million, four hundred thirty-nine thousand, seven hundred thirty-five".