55470773 has 4 divisors (see below), whose sum is σ = 55628268. Its totient is φ = 55313280.

The previous prime is 55470757. The next prime is 55470781. The reversal of 55470773 is 37707455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36747844 + 18722929 = 6062^2 + 4327^2 .

It is a cyclic number.

It is not a de Polignac number, because 55470773 - 2⁴ = 55470757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55470713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78218 + ... + 78923.

It is an arithmetic number, because the mean of its divisors is an integer number (13907067).

Almost surely, 2^55470773 is an apocalyptic number.

It is an amenable number.

55470773 is a deficient number, since it is larger than the sum of its proper divisors (157495).

55470773 is a wasteful number, since it uses less digits than its factorization.

55470773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157494.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 55470773 is about 7447.8703667559. The cubic root of 55470773 is about 381.3772117633.

The spelling of 55470773 in words is "fifty-five million, four hundred seventy thousand, seven hundred seventy-three".