55443451 has 12 divisors (see below), whose sum is σ = 64915248. Its totient is φ = 47213712.

The previous prime is 55443433. The next prime is 55443457. The reversal of 55443451 is 15434455.

It is a happy number.

It is not a de Polignac number, because 55443451 - 2¹⁵ = 55410683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55443457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4090 + ... + 11296.

It is an arithmetic number, because the mean of its divisors is an integer number (5409604).

Almost surely, 2^55443451 is an apocalyptic number.

55443451 is a deficient number, since it is larger than the sum of its proper divisors (9471797).

55443451 is a wasteful number, since it uses less digits than its factorization.

55443451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378 (or 7371 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 55443451 is about 7446.0359252424. The cubic root of 55443451 is about 381.3145859944.

The spelling of 55443451 in words is "fifty-five million, four hundred forty-three thousand, four hundred fifty-one".