1056425554 has 8 divisors (see below), whose sum is σ = 1627466508. Its totient is φ = 513936720.

The previous prime is 1056425551. The next prime is 1056425563. The reversal of 1056425554 is 4555246501.

It can be written as a sum of positive squares in 2 ways, for example, as 1045034929 + 11390625 = 32327^2 + 3375^2 .

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

It is a super-2 number, since 2×1056425554² = 2232069902288413832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (1056425551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7137937 + ... + 7138084.

Almost surely, 2^1056425554 is an apocalyptic number.

1056425554 is a deficient number, since it is larger than the sum of its proper divisors (571040954).

1056425554 is a wasteful number, since it uses less digits than its factorization.

1056425554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14276060.

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

The square root of 1056425554 is about 32502.7007185557. The cubic root of 1056425554 is about 1018.4654465460.

The spelling of 1056425554 in words is "one billion, fifty-six million, four hundred twenty-five thousand, five hundred fifty-four".