55451333 has 8 divisors (see below), whose sum is σ = 63653952. Its totient is φ = 47318976.

The previous prime is 55451317. The next prime is 55451339. The reversal of 55451333 is 33315455.

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

It is a cyclic number.

It is not a de Polignac number, because 55451333 - 2⁴ = 55451317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55451296 and 55451305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55451339) 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, 15860 + ... + 19037.

It is an arithmetic number, because the mean of its divisors is an integer number (7956744).

Almost surely, 2^55451333 is an apocalyptic number.

It is an amenable number.

55451333 is a deficient number, since it is larger than the sum of its proper divisors (8202619).

55451333 is a wasteful number, since it uses less digits than its factorization.

55451333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35131.

The product of its digits is 13500, while the sum is 29.

The square root of 55451333 is about 7446.5651813437. The cubic root of 55451333 is about 381.3326547299.

Adding to 55451333 its reverse (33315455), we get a palindrome (88766788).

The spelling of 55451333 in words is "fifty-five million, four hundred fifty-one thousand, three hundred thirty-three".