55352447 has 8 divisors (see below), whose sum is σ = 55860000. Its totient is φ = 54847584.

The previous prime is 55352413. The next prime is 55352449. The reversal of 55352447 is 74425355.

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

It is not a de Polignac number, because 55352447 - 2¹⁰ = 55351423 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 (55352449) 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, 69053 + ... + 69849.

It is an arithmetic number, because the mean of its divisors is an integer number (6982500).

Almost surely, 2^55352447 is an apocalyptic number.

55352447 is a deficient number, since it is larger than the sum of its proper divisors (507553).

55352447 is a wasteful number, since it uses less digits than its factorization.

55352447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345.

The product of its digits is 84000, while the sum is 35.

The square root of 55352447 is about 7439.9225130374. The cubic root of 55352447 is about 381.1058438421.

The spelling of 55352447 in words is "fifty-five million, three hundred fifty-two thousand, four hundred forty-seven".