55273451 has 4 divisors (see below), whose sum is σ = 58182600. Its totient is φ = 52364304.

The previous prime is 55273433. The next prime is 55273469. The reversal of 55273451 is 15437255.

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

It is an interprime number because it is at equal distance from previous prime (55273433) and next prime (55273469).

It is a de Polignac number, because none of the positive numbers 2^k-55273451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55273051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454546 + ... + 1454583.

It is an arithmetic number, because the mean of its divisors is an integer number (14545650).

Almost surely, 2^55273451 is an apocalyptic number.

55273451 is a deficient number, since it is larger than the sum of its proper divisors (2909149).

55273451 is a wasteful number, since it uses less digits than its factorization.

55273451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909148.

The product of its digits is 21000, while the sum is 32.

The square root of 55273451 is about 7434.6116912721. The cubic root of 55273451 is about 380.9244596875.

The spelling of 55273451 in words is "fifty-five million, two hundred seventy-three thousand, four hundred fifty-one".