97472553 has 4 divisors (see below), whose sum is σ = 129963408. Its totient is φ = 64981700.

The previous prime is 97472537. The next prime is 97472561. The reversal of 97472553 is 35527479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97472553 - 2⁴ = 97472537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97472513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16245423 + ... + 16245428.

It is an arithmetic number, because the mean of its divisors is an integer number (32490852).

Almost surely, 2^97472553 is an apocalyptic number.

It is an amenable number.

97472553 is a deficient number, since it is larger than the sum of its proper divisors (32490855).

97472553 is a wasteful number, since it uses less digits than its factorization.

97472553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32490854.

The product of its digits is 264600, while the sum is 42.

The square root of 97472553 is about 9872.8188983694. The cubic root of 97472553 is about 460.2150113309.

The spelling of 97472553 in words is "ninety-seven million, four hundred seventy-two thousand, five hundred fifty-three".