55172541 has 8 divisors (see below), whose sum is σ = 73608480. Its totient is φ = 36759152.

The previous prime is 55172539. The next prime is 55172567. The reversal of 55172541 is 14527155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55172541 - 2¹ = 55172539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55172499 and 55172508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55172441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291 + ... + 10583.

It is an arithmetic number, because the mean of its divisors is an integer number (9201060).

Almost surely, 2^55172541 is an apocalyptic number.

It is an amenable number.

55172541 is a deficient number, since it is larger than the sum of its proper divisors (18435939).

55172541 is a wasteful number, since it uses less digits than its factorization.

55172541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11275.

The product of its digits is 7000, while the sum is 30.

The square root of 55172541 is about 7427.8220899534. The cubic root of 55172541 is about 380.6925068397.

Adding to 55172541 its reverse (14527155), we get a palindrome (69699696).

The spelling of 55172541 in words is "fifty-five million, one hundred seventy-two thousand, five hundred forty-one".