405554053 has 4 divisors (see below), whose sum is σ = 408747520. Its totient is φ = 402360588.

The previous prime is 405554033. The next prime is 405554089. The reversal of 405554053 is 350455504.

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 405554053 - 2²¹ = 403456901 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 (405554033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596543 + ... + 1596796.

It is an arithmetic number, because the mean of its divisors is an integer number (102186880).

Almost surely, 2^405554053 is an apocalyptic number.

It is an amenable number.

405554053 is a deficient number, since it is larger than the sum of its proper divisors (3193467).

405554053 is a wasteful number, since it uses less digits than its factorization.

405554053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193466.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 405554053 is about 20138.3726502416. The cubic root of 405554053 is about 740.2008542925.

The spelling of 405554053 in words is "four hundred five million, five hundred fifty-four thousand, fifty-three".