1054506889 has 8 divisors (see below), whose sum is σ = 1117725480. Its totient is φ = 991420416.

The previous prime is 1054506877. The next prime is 1054506911. The reversal of 1054506889 is 9886054501.

It can be written as a sum of positive squares in 4 ways, for example, as 605406025 + 449100864 = 24605^2 + 21192^2 .

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

It is not a de Polignac number, because 1054506889 - 2²¹ = 1052409737 is a prime.

It is a super-2 number, since 2×1054506889² = 2223969557896916642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054506689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16344 + ... + 48745.

It is an arithmetic number, because the mean of its divisors is an integer number (139715685).

Almost surely, 2^1054506889 is an apocalyptic number.

It is an amenable number.

1054506889 is a deficient number, since it is larger than the sum of its proper divisors (63218591).

1054506889 is an equidigital number, since it uses as much as digits as its factorization.

1054506889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66059.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 1054506889 is about 32473.1718346083. The cubic root of 1054506889 is about 1017.8484987662.

The spelling of 1054506889 in words is "one billion, fifty-four million, five hundred six thousand, eight hundred eighty-nine".