55275050 has 12 divisors (see below), whose sum is σ = 102811686. Its totient is φ = 22110000.

The previous prime is 55275013. The next prime is 55275061. The reversal of 55275050 is 5057255.

It can be written as a sum of positive squares in 3 ways, for example, as 53684929 + 1590121 = 7327^2 + 1261^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552701 + ... + 552800.

Almost surely, 2^55275050 is an apocalyptic number.

55275050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55275050 is a deficient number, since it is larger than the sum of its proper divisors (47536636).

55275050 is a wasteful number, since it uses less digits than its factorization.

55275050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105513 (or 1105508 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 55275050 is about 7434.7192280543. The cubic root of 55275050 is about 380.9281328936.

It can be divided in two parts, 55 and 275050, that multiplied together give a triangular number (15127750 = T₅₅₀₀).

The spelling of 55275050 in words is "fifty-five million, two hundred seventy-five thousand, fifty".