55531453 has 4 divisors (see below), whose sum is σ = 57945888. Its totient is φ = 53117020.

The previous prime is 55531429. The next prime is 55531457. The reversal of 55531453 is 35413555.

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 55531453 - 2⁹ = 55530941 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 (55531457) 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, 1207183 + ... + 1207228.

It is an arithmetic number, because the mean of its divisors is an integer number (14486472).

Almost surely, 2^55531453 is an apocalyptic number.

It is an amenable number.

55531453 is a deficient number, since it is larger than the sum of its proper divisors (2414435).

55531453 is a wasteful number, since it uses less digits than its factorization.

55531453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414434.

The product of its digits is 22500, while the sum is 31.

The square root of 55531453 is about 7451.9429010158. The cubic root of 55531453 is about 381.5162251252.

The spelling of 55531453 in words is "fifty-five million, five hundred thirty-one thousand, four hundred fifty-three".