1055867555 has 16 divisors (see below), whose sum is σ = 1323786240. Its totient is φ = 806956128.

The previous prime is 1055867531. The next prime is 1055867567. The reversal of 1055867555 is 5557685501.

It is a cyclic number.

It is not a de Polignac number, because 1055867555 - 2¹⁴ = 1055851171 is a prime.

It is a super-2 number, since 2×1055867555² = 2229712587403356050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93926 + ... + 104564.

It is an arithmetic number, because the mean of its divisors is an integer number (82736640).

Almost surely, 2^1055867555 is an apocalyptic number.

1055867555 is a deficient number, since it is larger than the sum of its proper divisors (267918685).

1055867555 is a wasteful number, since it uses less digits than its factorization.

1055867555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530.

The product of its (nonzero) digits is 1050000, while the sum is 47.

The square root of 1055867555 is about 32494.1156980768. The cubic root of 1055867555 is about 1018.2860987487.

The spelling of 1055867555 in words is "one billion, fifty-five million, eight hundred sixty-seven thousand, five hundred fifty-five".