55747453 has 4 divisors (see below), whose sum is σ = 55786528. Its totient is φ = 55708380.

The previous prime is 55747429. The next prime is 55747477. The reversal of 55747453 is 35474755.

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 an interprime number because it is at equal distance from previous prime (55747429) and next prime (55747477).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55747453 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 (55747753) 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, 17313 + ... + 20278.

It is an arithmetic number, because the mean of its divisors is an integer number (13946632).

Almost surely, 2^55747453 is an apocalyptic number.

It is an amenable number.

55747453 is a deficient number, since it is larger than the sum of its proper divisors (39075).

55747453 is a wasteful number, since it uses less digits than its factorization.

55747453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39074.

The product of its digits is 294000, while the sum is 40.

The square root of 55747453 is about 7466.4216998506. The cubic root of 55747453 is about 382.0102447843.

The spelling of 55747453 in words is "fifty-five million, seven hundred forty-seven thousand, four hundred fifty-three".