55135170 has 24 divisors (see below), whose sum is σ = 143351676. Its totient is φ = 14702688.

The previous prime is 55135151. The next prime is 55135181. The reversal of 55135170 is 7153155.

It can be written as a sum of positive squares in 2 ways, for example, as 50936769 + 4198401 = 7137^2 + 2049^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306217 + ... + 306396.

Almost surely, 2^55135170 is an apocalyptic number.

55135170 is an abundant number, since it is smaller than the sum of its proper divisors (88216506).

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

55135170 is a wasteful number, since it uses less digits than its factorization.

55135170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612626 (or 612623 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 55135170 is about 7425.3060542984. The cubic root of 55135170 is about 380.6065336799.

It can be divided in two parts, 551 and 35170, that added together give a square (35721 = 189²).

The spelling of 55135170 in words is "fifty-five million, one hundred thirty-five thousand, one hundred seventy".