55473099 has 8 divisors (see below), whose sum is σ = 80688192. Its totient is φ = 33620040.

The previous prime is 55473097. The next prime is 55473109. The reversal of 55473099 is 99037455.

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

It is not a de Polignac number, because 55473099 - 2¹ = 55473097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55473099.

It is not an unprimeable number, because it can be changed into a prime (55473097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840469 + ... + 840534.

It is an arithmetic number, because the mean of its divisors is an integer number (10086024).

Almost surely, 2^55473099 is an apocalyptic number.

55473099 is a deficient number, since it is larger than the sum of its proper divisors (25215093).

55473099 is a wasteful number, since it uses less digits than its factorization.

55473099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681017.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 55473099 is about 7448.0265171386. The cubic root of 55473099 is about 381.3825423242.

It can be divided in two parts, 5547 and 3099, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 55473099 in words is "fifty-five million, four hundred seventy-three thousand, ninety-nine".