55102050 has 36 divisors (see below), whose sum is σ = 148042050. Its totient is φ = 14693760.

The previous prime is 55102039. The next prime is 55102051. The reversal of 55102050 is 5020155.

It can be written as a sum of positive squares in 3 ways, for example, as 24532209 + 30569841 = 4953^2 + 5529^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55102051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 60775 + ... + 61674.

Almost surely, 2^55102050 is an apocalyptic number.

55102050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55102050 is an abundant number, since it is smaller than the sum of its proper divisors (92940000).

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

55102050 is a wasteful number, since it uses less digits than its factorization.

55102050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122467 (or 122459 counting only the distinct ones).

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

The square root of 55102050 is about 7423.0755081705. The cubic root of 55102050 is about 380.5303076017.

The spelling of 55102050 in words is "fifty-five million, one hundred two thousand, fifty".