1042551553 has 8 divisors (see below), whose sum is σ = 1071134120. Its totient is φ = 1013990400.

The previous prime is 1042551547. The next prime is 1042551563. The reversal of 1042551553 is 3551552401.

It can be written as a sum of positive squares in 4 ways, for example, as 176544369 + 866007184 = 13287^2 + 29428^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042551553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042551533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174703 + ... + 180571.

It is an arithmetic number, because the mean of its divisors is an integer number (133891765).

Almost surely, 2^1042551553 is an apocalyptic number.

It is an amenable number.

1042551553 is a deficient number, since it is larger than the sum of its proper divisors (28582567).

1042551553 is an equidigital number, since it uses as much as digits as its factorization.

1042551553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10707.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1042551553 is about 32288.5669084275. The cubic root of 1042551553 is about 1013.9872944163.

The spelling of 1042551553 in words is "one billion, forty-two million, five hundred fifty-one thousand, five hundred fifty-three".