1556052983 has 2 divisors, whose sum is σ = 1556052984. Its totient is φ = 1556052982.

The previous prime is 1556052943. The next prime is 1556052989. The reversal of 1556052983 is 3892506551.

It is a strong prime.

It is an emirp because it is prime and its reverse (3892506551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1556052983 - 2¹⁸ = 1555790839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1556052989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778026491 + 778026492.

It is an arithmetic number, because the mean of its divisors is an integer number (778026492).

Almost surely, 2^1556052983 is an apocalyptic number.

1556052983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1556052983 is an equidigital number, since it uses as much as digits as its factorization.

1556052983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 1556052983 is about 39446.8374270993. The cubic root of 1556052983 is about 1158.7990402083.

The spelling of 1556052983 in words is "one billion, five hundred fifty-six million, fifty-two thousand, nine hundred eighty-three".