55015235 has 32 divisors (see below), whose sum is σ = 76253184. Its totient is φ = 37728000.

The previous prime is 55015231. The next prime is 55015253. The reversal of 55015235 is 53251055.

55015235 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 55015235 - 2² = 55015231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55015231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69512 + ... + 70298.

It is an arithmetic number, because the mean of its divisors is an integer number (2382912).

Almost surely, 2^55015235 is an apocalyptic number.

55015235 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55015235 is a deficient number, since it is larger than the sum of its proper divisors (21237949).

55015235 is a wasteful number, since it uses less digits than its factorization.

55015235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55015235 is about 7417.2255594663. The cubic root of 55015235 is about 380.3303567622.

The spelling of 55015235 in words is "fifty-five million, fifteen thousand, two hundred thirty-five".