1554405052 has 12 divisors (see below), whose sum is σ = 2730248416. Its totient is φ = 774334080.

The previous prime is 1554405043. The next prime is 1554405089. The reversal of 1554405052 is 2505044551.

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 3 ways as a sum of consecutive naturals, for example, 715893 + ... + 718060.

Almost surely, 2^1554405052 is an apocalyptic number.

It is an amenable number.

1554405052 is a deficient number, since it is larger than the sum of its proper divisors (1175843364).

1554405052 is a wasteful number, since it uses less digits than its factorization.

1554405052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434228 (or 1434226 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1554405052 is about 39425.9438948518. The cubic root of 1554405052 is about 1158.3898220552.

The spelling of 1554405052 in words is "one billion, five hundred fifty-four million, four hundred five thousand, fifty-two".