1040552551 has 4 divisors (see below), whose sum is σ = 1060185672. Its totient is φ = 1020919432.

The previous prime is 1040552543. The next prime is 1040552581. The reversal of 1040552551 is 1552550401.

1040552551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040552551 - 2³ = 1040552543 is a prime.

It is a super-2 number, since 2×1040552551² = 2165499222785215202, 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 (1040552501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9816481 + ... + 9816586.

It is an arithmetic number, because the mean of its divisors is an integer number (265046418).

Almost surely, 2^1040552551 is an apocalyptic number.

1040552551 is a deficient number, since it is larger than the sum of its proper divisors (19633121).

1040552551 is an equidigital number, since it uses as much as digits as its factorization.

1040552551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19633120.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 1040552551 is about 32257.5967951737. The cubic root of 1040552551 is about 1013.3388022582.

The spelling of 1040552551 in words is "one billion, forty million, five hundred fifty-two thousand, five hundred fifty-one".