55028029 has 24 divisors (see below), whose sum is σ = 67436928. Its totient is φ = 44684640.

The previous prime is 55028021. The next prime is 55028101. The reversal of 55028029 is 92082055.

It is a happy number.

It is not a de Polignac number, because 55028029 - 2³ = 55028021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55028021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176784 + ... + 177094.

It is an arithmetic number, because the mean of its divisors is an integer number (2809872).

Almost surely, 2^55028029 is an apocalyptic number.

It is an amenable number.

55028029 is a deficient number, since it is larger than the sum of its proper divisors (12408899).

55028029 is a wasteful number, since it uses less digits than its factorization.

55028029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 55028029 is about 7418.0879611932. The cubic root of 55028029 is about 380.3598368958.

It can be divided in two parts, 5502 and 8029, that added together give a palindrome (13531).

The spelling of 55028029 in words is "fifty-five million, twenty-eight thousand, twenty-nine".