1052550989 has 8 divisors (see below), whose sum is σ = 1203226368. Its totient is φ = 901953360.

The previous prime is 1052550959. The next prime is 1052551007. The reversal of 1052550989 is 9890552501.

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

It is a de Polignac number, because none of the positive numbers 2^k-1052550989 is a prime.

It is a super-2 number, since 2×1052550989² = 2215727168889756242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052550929) 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 7 ways as a sum of consecutive naturals, for example, 13244 + ... + 47754.

It is an arithmetic number, because the mean of its divisors is an integer number (150403296).

Almost surely, 2^1052550989 is an apocalyptic number.

It is an amenable number.

1052550989 is a deficient number, since it is larger than the sum of its proper divisors (150675379).

1052550989 is an equidigital number, since it uses as much as digits as its factorization.

1052550989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38875.

The product of its (nonzero) digits is 162000, while the sum is 44.

The square root of 1052550989 is about 32443.0422278799. The cubic root of 1052550989 is about 1017.2188072895.

The spelling of 1052550989 in words is "one billion, fifty-two million, five hundred fifty thousand, nine hundred eighty-nine".