97552090 has 16 divisors (see below), whose sum is σ = 178000488. Its totient is φ = 38486016.

The previous prime is 97552087. The next prime is 97552111. The reversal of 97552090 is 9025579.

It can be written as a sum of positive squares in 4 ways, for example, as 77633721 + 19918369 = 8811^2 + 4463^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 66087 + ... + 67546.

Almost surely, 2^97552090 is an apocalyptic number.

97552090 is a deficient number, since it is larger than the sum of its proper divisors (80448398).

97552090 is a wasteful number, since it uses less digits than its factorization.

97552090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133713.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 97552090 is about 9876.8461565421. The cubic root of 97552090 is about 460.3401548319.

The spelling of 97552090 in words is "ninety-seven million, five hundred fifty-two thousand, ninety".