1554505455 has 16 divisors (see below), whose sum is σ = 2487697920. Its totient is φ = 828906528.

The previous prime is 1554505429. The next prime is 1554505471. The reversal of 1554505455 is 5545054551.

It is not a de Polignac number, because 1554505455 - 2¹⁴ = 1554489071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140454 + ... + 151116.

It is an arithmetic number, because the mean of its divisors is an integer number (155481120).

Almost surely, 2^1554505455 is an apocalyptic number.

1554505455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1554505455 is a deficient number, since it is larger than the sum of its proper divisors (933192465).

1554505455 is a wasteful number, since it uses less digits than its factorization.

1554505455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20390.

The product of its (nonzero) digits is 250000, while the sum is 39.

The square root of 1554505455 is about 39427.2171855940. The cubic root of 1554505455 is about 1158.4147626392.

The spelling of 1554505455 in words is "one billion, five hundred fifty-four million, five hundred five thousand, four hundred fifty-five".