1055758642 has 4 divisors (see below), whose sum is σ = 1583637966. Its totient is φ = 527879320.

The previous prime is 1055758619. The next prime is 1055758643. The reversal of 1055758642 is 2468575501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 872670681 + 183087961 = 29541^2 + 13531^2 .

It is a super-2 number, since 2×1055758642² = 2229252620315368328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055758643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263939659 + ... + 263939662.

Almost surely, 2^1055758642 is an apocalyptic number.

1055758642 is a deficient number, since it is larger than the sum of its proper divisors (527879324).

1055758642 is an equidigital number, since it uses as much as digits as its factorization.

1055758642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527879323.

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 1055758642 is about 32492.4397668134. The cubic root of 1055758642 is about 1018.2510853903.

The spelling of 1055758642 in words is "one billion, fifty-five million, seven hundred fifty-eight thousand, six hundred forty-two".