55815035 has 16 divisors (see below), whose sum is σ = 69431040. Its totient is φ = 43029120.

The previous prime is 55815031. The next prime is 55815041. The reversal of 55815035 is 53051855.

It is not a de Polignac number, because 55815035 - 2² = 55815031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55814992 and 55815010.

It is not an unprimeable number, because it can be changed into a prime (55815031) 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, 44801 + ... + 46029.

It is an arithmetic number, because the mean of its divisors is an integer number (4339440).

Almost surely, 2^55815035 is an apocalyptic number.

55815035 is a deficient number, since it is larger than the sum of its proper divisors (13616005).

55815035 is a wasteful number, since it uses less digits than its factorization.

55815035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 55815035 is about 7470.9460578965. The cubic root of 55815035 is about 382.1645513307.

The spelling of 55815035 in words is "fifty-five million, eight hundred fifteen thousand, thirty-five".