1053551218 has 8 divisors (see below), whose sum is σ = 1586032812. Its totient is φ = 524873616.

The previous prime is 1053551203. The next prime is 1053551221. The reversal of 1053551218 is 8121553501.

It can be written as a sum of positive squares in 2 ways, for example, as 1044388489 + 9162729 = 32317^2 + 3027^2 .

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

It is a super-2 number, since 2×1053551218² = 2219940337898567048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053551218.

It is an unprimeable number.

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, 950305 + ... + 951412.

Almost surely, 2^1053551218 is an apocalyptic number.

1053551218 is a deficient number, since it is larger than the sum of its proper divisors (532481594).

1053551218 is a wasteful number, since it uses less digits than its factorization.

1053551218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901996.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 1053551218 is about 32458.4537216424. The cubic root of 1053551218 is about 1017.5409230000.

The spelling of 1053551218 in words is "one billion, fifty-three million, five hundred fifty-one thousand, two hundred eighteen".