1055503773 has 12 divisors (see below), whose sum is σ = 1565822908. Its totient is φ = 684650880.

The previous prime is 1055503697. The next prime is 1055503819. The reversal of 1055503773 is 3773055501.

It is a happy number.

1055503773 is a `hidden beast` number, since 1 + 0 + 5 + 550 + 37 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 581919129 + 473584644 = 24123^2 + 21762^2 .

It is not a de Polignac number, because 1055503773 - 2¹² = 1055499677 is a prime.

It is a super-2 number, since 2×1055503773² = 2228176429634471058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055503573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1584508 + ... + 1585173.

Almost surely, 2^1055503773 is an apocalyptic number.

It is an amenable number.

1055503773 is a deficient number, since it is larger than the sum of its proper divisors (510319135).

1055503773 is a wasteful number, since it uses less digits than its factorization.

1055503773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169724 (or 3169721 counting only the distinct ones).

The product of its (nonzero) digits is 55125, while the sum is 36.

The square root of 1055503773 is about 32488.5175562075. The cubic root of 1055503773 is about 1018.1691406756.

The spelling of 1055503773 in words is "one billion, fifty-five million, five hundred three thousand, seven hundred seventy-three".