1055589742 has 8 divisors (see below), whose sum is σ = 1634461632. Its totient is φ = 510769200.

The previous prime is 1055589739. The next prime is 1055589781. The reversal of 1055589742 is 2479855501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1055589742² = 2228539406831253128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055589692 and 1055589701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8512759 + ... + 8512882.

It is an arithmetic number, because the mean of its divisors is an integer number (204307704).

Almost surely, 2^1055589742 is an apocalyptic number.

1055589742 is a deficient number, since it is larger than the sum of its proper divisors (578871890).

1055589742 is a wasteful number, since it uses less digits than its factorization.

1055589742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17025674.

The product of its (nonzero) digits is 504000, while the sum is 46.

The square root of 1055589742 is about 32489.8405967158. The cubic root of 1055589742 is about 1018.1967826443.

It can be divided in two parts, 1055589 and 742, that added together give a triangular number (1056331 = T₁₄₅₃).

The spelling of 1055589742 in words is "one billion, fifty-five million, five hundred eighty-nine thousand, seven hundred forty-two".