55436453 has 4 divisors (see below), whose sum is σ = 56616000. Its totient is φ = 54256908.

The previous prime is 55436443. The next prime is 55436477. The reversal of 55436453 is 35463455.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35463455 = 5 ⋅7092691.

It is a cyclic number.

It is not a de Polignac number, because 55436453 - 2¹² = 55432357 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 (55436443) 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, 589703 + ... + 589796.

It is an arithmetic number, because the mean of its divisors is an integer number (14154000).

Almost surely, 2^55436453 is an apocalyptic number.

It is an amenable number.

55436453 is a deficient number, since it is larger than the sum of its proper divisors (1179547).

55436453 is a wasteful number, since it uses less digits than its factorization.

55436453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179546.

The product of its digits is 108000, while the sum is 35.

The square root of 55436453 is about 7445.5659959468. The cubic root of 55436453 is about 381.2985423097.

The spelling of 55436453 in words is "fifty-five million, four hundred thirty-six thousand, four hundred fifty-three".