55473513 has 8 divisors (see below), whose sum is σ = 74126976. Its totient is φ = 36901200.

The previous prime is 55473497. The next prime is 55473527. The reversal of 55473513 is 31537455.

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

It is not a de Polignac number, because 55473513 - 2⁴ = 55473497 is a prime.

It is a super-2 number, since 2×55473513² = 6154621289122338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55473553) 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, 18673 + ... + 21438.

It is an arithmetic number, because the mean of its divisors is an integer number (9265872).

Almost surely, 2^55473513 is an apocalyptic number.

It is an amenable number.

55473513 is a deficient number, since it is larger than the sum of its proper divisors (18653463).

55473513 is a wasteful number, since it uses less digits than its factorization.

55473513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40575.

The product of its digits is 31500, while the sum is 33.

The square root of 55473513 is about 7448.0543096838. The cubic root of 55473513 is about 381.3834910842.

The spelling of 55473513 in words is "fifty-five million, four hundred seventy-three thousand, five hundred thirteen".