55473717 has 16 divisors (see below), whose sum is σ = 79802240. Its totient is φ = 34074432.

The previous prime is 55473713. The next prime is 55473731. The reversal of 55473717 is 71737455.

It is not a de Polignac number, because 55473717 - 2² = 55473713 is a prime.

It is a super-3 number, since 3×55473717³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55473713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28584 + ... + 30462.

It is an arithmetic number, because the mean of its divisors is an integer number (4987640).

Almost surely, 2^55473717 is an apocalyptic number.

It is an amenable number.

55473717 is a deficient number, since it is larger than the sum of its proper divisors (24328523).

55473717 is a wasteful number, since it uses less digits than its factorization.

55473717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652.

The product of its digits is 102900, while the sum is 39.

The square root of 55473717 is about 7448.0680045231. The cubic root of 55473717 is about 381.3839585874.

The spelling of 55473717 in words is "fifty-five million, four hundred seventy-three thousand, seven hundred seventeen".