1554405053 has 4 divisors (see below), whose sum is σ = 1555887900. Its totient is φ = 1552922208.

The previous prime is 1554405043. The next prime is 1554405089. The reversal of 1554405053 is 3505044551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3505044551 = 19 ⋅184476029.

It can be written as a sum of positive squares in 2 ways, for example, as 941446489 + 612958564 = 30683^2 + 24758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1554405053 - 2¹⁴ = 1554388669 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 (1554405043) 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, 739850 + ... + 741947.

It is an arithmetic number, because the mean of its divisors is an integer number (388971975).

Almost surely, 2^1554405053 is an apocalyptic number.

It is an amenable number.

1554405053 is a deficient number, since it is larger than the sum of its proper divisors (1482847).

1554405053 is a wasteful number, since it uses less digits than its factorization.

1554405053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482846.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1554405053 is about 39425.9439075338. The cubic root of 1554405053 is about 1158.3898223036.

The spelling of 1554405053 in words is "one billion, five hundred fifty-four million, four hundred five thousand, fifty-three".