1056557753 has 2 divisors, whose sum is σ = 1056557754. Its totient is φ = 1056557752.

The previous prime is 1056557683. The next prime is 1056557767. The reversal of 1056557753 is 3577556501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970197904 + 86359849 = 31148^2 + 9293^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056557753 - 2¹² = 1056553657 is a prime.

It is a super-2 number, since 2×1056557753² = 2232628570848818018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1056557053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528278876 + 528278877.

It is an arithmetic number, because the mean of its divisors is an integer number (528278877).

Almost surely, 2^1056557753 is an apocalyptic number.

It is an amenable number.

1056557753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056557753 is an equidigital number, since it uses as much as digits as its factorization.

1056557753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551250, while the sum is 44.

The square root of 1056557753 is about 32504.7343167115. The cubic root of 1056557753 is about 1018.5079276899.

The spelling of 1056557753 in words is "one billion, fifty-six million, five hundred fifty-seven thousand, seven hundred fifty-three".