55503453 has 16 divisors (see below), whose sum is σ = 79059456. Its totient is φ = 34513920.

The previous prime is 55503449. The next prime is 55503467. The reversal of 55503453 is 35430555.

It is not a de Polignac number, because 55503453 - 2² = 55503449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55503453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55503443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (4941216).

Almost surely, 2^55503453 is an apocalyptic number.

It is an amenable number.

55503453 is a deficient number, since it is larger than the sum of its proper divisors (23556003).

55503453 is a wasteful number, since it uses less digits than its factorization.

55503453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 55503453 is about 7450.0639594570. The cubic root of 55503453 is about 381.4520917998.

The spelling of 55503453 in words is "fifty-five million, five hundred three thousand, four hundred fifty-three".