55170532 has 12 divisors (see below), whose sum is σ = 96643260. Its totient is φ = 27558176.

The previous prime is 55170517. The next prime is 55170551. The reversal of 55170532 is 23507155.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 53787556 = 1176^2 + 7334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55170532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1783 + ... + 10654.

It is an arithmetic number, because the mean of its divisors is an integer number (8053605).

Almost surely, 2^55170532 is an apocalyptic number.

It is an amenable number.

55170532 is a deficient number, since it is larger than the sum of its proper divisors (41472728).

55170532 is a wasteful number, since it uses less digits than its factorization.

55170532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13550 (or 13548 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55170532 is about 7427.6868539270. The cubic root of 55170532 is about 380.6878860597.

Adding to 55170532 its reverse (23507155), we get a palindrome (78677687).

The spelling of 55170532 in words is "fifty-five million, one hundred seventy thousand, five hundred thirty-two".