1056554542 has 8 divisors (see below), whose sum is σ = 1653737616. Its totient is φ = 505308672.

The previous prime is 1056554497. The next prime is 1056554563. The reversal of 1056554542 is 2454556501.

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

It is a super-2 number, since 2×1056554542² = 2232615000441659528, 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 3 ways as a sum of consecutive naturals, for example, 11484243 + ... + 11484334.

It is an arithmetic number, because the mean of its divisors is an integer number (206717202).

Almost surely, 2^1056554542 is an apocalyptic number.

1056554542 is a deficient number, since it is larger than the sum of its proper divisors (597183074).

1056554542 is a wasteful number, since it uses less digits than its factorization.

1056554542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22968602.

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 1056554542 is about 32504.6849238691. The cubic root of 1056554542 is about 1018.5068959014.

The spelling of 1056554542 in words is "one billion, fifty-six million, five hundred fifty-four thousand, five hundred forty-two".