55307453 has 4 divisors (see below), whose sum is σ = 55349280. Its totient is φ = 55265628.

The previous prime is 55307389. The next prime is 55307471. The reversal of 55307453 is 35470355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55307453 - 2⁶ = 55307389 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 (55307353) 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, 18863 + ... + 21596.

It is an arithmetic number, because the mean of its divisors is an integer number (13837320).

Almost surely, 2^55307453 is an apocalyptic number.

It is an amenable number.

55307453 is a deficient number, since it is larger than the sum of its proper divisors (41827).

55307453 is a wasteful number, since it uses less digits than its factorization.

55307453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41826.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 55307453 is about 7436.8980764832. The cubic root of 55307453 is about 381.0025534695.

The spelling of 55307453 in words is "fifty-five million, three hundred seven thousand, four hundred fifty-three".