1055434686 has 64 divisors (see below), whose sum is σ = 2275257600. Its totient is φ = 325368576.

The previous prime is 1055434673. The next prime is 1055434691. The reversal of 1055434686 is 6864345501.

It is a super-2 number, since 2×1055434686² = 2227884752823837192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1854610 + ... + 1855178.

It is an arithmetic number, because the mean of its divisors is an integer number (35550900).

Almost surely, 2^1055434686 is an apocalyptic number.

1055434686 is an abundant number, since it is smaller than the sum of its proper divisors (1219822914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055434686 is a wasteful number, since it uses less digits than its factorization.

1055434686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 1055434686 is about 32487.4542862318. The cubic root of 1055434686 is about 1018.1469257586.

The spelling of 1055434686 in words is "one billion, fifty-five million, four hundred thirty-four thousand, six hundred eighty-six".