55010502 has 80 divisors (see below), whose sum is σ = 129373200. Its totient is φ = 17454528.

The previous prime is 55010489. The next prime is 55010507. The reversal of 55010502 is 20501055.

55010502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55010507) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 369124 + ... + 369272.

It is an arithmetic number, because the mean of its divisors is an integer number (1617165).

Almost surely, 2^55010502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55010502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64686600).

55010502 is an abundant number, since it is smaller than the sum of its proper divisors (74362698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55010502 is a wasteful number, since it uses less digits than its factorization.

55010502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 55010502 is about 7416.9064979950. The cubic root of 55010502 is about 380.3194497519.

Adding to 55010502 its reverse (20501055), we get a palindrome (75511557).

The spelling of 55010502 in words is "fifty-five million, ten thousand, five hundred two".