1555505053 has 8 divisors (see below), whose sum is σ = 1639249920. Its totient is φ = 1471947840.

The previous prime is 1555505047. The next prime is 1555505069. The reversal of 1555505053 is 3505055551.

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 1555505053 - 2²¹ = 1553407901 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 (1555505033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29725 + ... + 63202.

It is an arithmetic number, because the mean of its divisors is an integer number (204906240).

Almost surely, 2^1555505053 is an apocalyptic number.

It is an amenable number.

1555505053 is a deficient number, since it is larger than the sum of its proper divisors (83744867).

1555505053 is an equidigital number, since it uses as much as digits as its factorization.

1555505053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93827.

The product of its (nonzero) digits is 46875, while the sum is 34.

The square root of 1555505053 is about 39439.8916453887. The cubic root of 1555505053 is about 1158.6630090006.

The spelling of 1555505053 in words is "one billion, five hundred fifty-five million, five hundred five thousand, fifty-three".