55348481 has 4 divisors (see below), whose sum is σ = 58604292. Its totient is φ = 52092672.

The previous prime is 55348471. The next prime is 55348487. The reversal of 55348481 is 18484355.

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 21242881 + 34105600 = 4609^2 + 5840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55348481 is a prime.

It is a super-2 number, since 2×55348481² = 6126908698014722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55348487) 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, 1627880 + ... + 1627913.

It is an arithmetic number, because the mean of its divisors is an integer number (14651073).

Almost surely, 2^55348481 is an apocalyptic number.

It is an amenable number.

55348481 is a deficient number, since it is larger than the sum of its proper divisors (3255811).

55348481 is a wasteful number, since it uses less digits than its factorization.

55348481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255810.

The product of its digits is 76800, while the sum is 38.

The square root of 55348481 is about 7439.6559732289. The cubic root of 55348481 is about 381.0967415533.

The spelling of 55348481 in words is "fifty-five million, three hundred forty-eight thousand, four hundred eighty-one".