55471333 has 4 divisors (see below), whose sum is σ = 56761408. Its totient is φ = 54181260.

The previous prime is 55471291. The next prime is 55471363. The reversal of 55471333 is 33317455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55471333 - 2²⁵ = 21916901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55471295 and 55471304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55471363) 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, 644973 + ... + 645058.

It is an arithmetic number, because the mean of its divisors is an integer number (14190352).

Almost surely, 2^55471333 is an apocalyptic number.

It is an amenable number.

55471333 is a deficient number, since it is larger than the sum of its proper divisors (1290075).

55471333 is a wasteful number, since it uses less digits than its factorization.

55471333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290074.

The product of its digits is 18900, while the sum is 31.

The square root of 55471333 is about 7447.9079613003. The cubic root of 55471333 is about 381.3784951450.

Adding to 55471333 its reverse (33317455), we get a palindrome (88788788).

The spelling of 55471333 in words is "fifty-five million, four hundred seventy-one thousand, three hundred thirty-three".