1053516551 has 4 divisors (see below), whose sum is σ = 1054602504. Its totient is φ = 1052430600.

The previous prime is 1053516517. The next prime is 1053516559. The reversal of 1053516551 is 1556153501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1556153501 = 7 ⋅222307643.

It is a cyclic number.

It is not a de Polignac number, because 1053516551 - 2⁶ = 1053516487 is a prime.

It is a super-2 number, since 2×1053516551² = 2219794246461871202, 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 (1053516559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541520 + ... + 543461.

It is an arithmetic number, because the mean of its divisors is an integer number (263650626).

Almost surely, 2^1053516551 is an apocalyptic number.

1053516551 is a deficient number, since it is larger than the sum of its proper divisors (1085953).

1053516551 is an equidigital number, since it uses as much as digits as its factorization.

1053516551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085952.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 1053516551 is about 32457.9196961235. The cubic root of 1053516551 is about 1017.5297621826.

The spelling of 1053516551 in words is "one billion, fifty-three million, five hundred sixteen thousand, five hundred fifty-one".