997753553 has 8 divisors (see below), whose sum is σ = 1042681728. Its totient is φ = 953812944.

The previous prime is 997753531. The next prime is 997753571. The reversal of 997753553 is 355357799.

997753553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 997753553 - 2⁸ = 997753297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 997753495 and 997753504.

It is not an unprimeable number, because it can be changed into a prime (997753753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244826 + ... + 248867.

It is an arithmetic number, because the mean of its divisors is an integer number (130335216).

Almost surely, 2^997753553 is an apocalyptic number.

It is an amenable number.

997753553 is a deficient number, since it is larger than the sum of its proper divisors (44928175).

997753553 is a wasteful number, since it uses less digits than its factorization.

997753553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493783.

The product of its digits is 4465125, while the sum is 53.

The square root of 997753553 is about 31587.2371852937. The cubic root of 997753553 is about 999.2506229076.

The spelling of 997753553 in words is "nine hundred ninety-seven million, seven hundred fifty-three thousand, five hundred fifty-three".