55075050 has 36 divisors (see below), whose sum is σ = 147969510. Its totient is φ = 14686560.

The previous prime is 55075043. The next prime is 55075051. The reversal of 55075050 is 5057055.

It can be written as a sum of positive squares in 3 ways, for example, as 49999041 + 5076009 = 7071^2 + 2253^2 .

It is a super-2 number, since 2×55075050² = 6066522265005000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55075051) 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, 60745 + ... + 61644.

Almost surely, 2^55075050 is an apocalyptic number.

55075050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55075050 is an abundant number, since it is smaller than the sum of its proper divisors (92894460).

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

55075050 is a wasteful number, since it uses less digits than its factorization.

55075050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122407 (or 122399 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The square root of 55075050 is about 7421.2566321345. The cubic root of 55075050 is about 380.4681441740.

The spelling of 55075050 in words is "fifty-five million, seventy-five thousand, fifty".