1405553455 has 8 divisors (see below), whose sum is σ = 1785879792. Its totient is φ = 1058299008.

The previous prime is 1405553441. The next prime is 1405553467. The reversal of 1405553455 is 5543555041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1405553455 - 2⁷ = 1405553327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8267877 + ... + 8268046.

It is an arithmetic number, because the mean of its divisors is an integer number (223234974).

Almost surely, 2^1405553455 is an apocalyptic number.

1405553455 is a deficient number, since it is larger than the sum of its proper divisors (380326337).

1405553455 is a wasteful number, since it uses less digits than its factorization.

1405553455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16535945.

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 1405553455 is about 37490.7115830041. The cubic root of 1405553455 is about 1120.1661783079.

The spelling of 1405553455 in words is "one billion, four hundred five million, five hundred fifty-three thousand, four hundred fifty-five".