97555530 has 16 divisors (see below), whose sum is σ = 234133344. Its totient is φ = 26014800.

The previous prime is 97555483. The next prime is 97555553. The reversal of 97555530 is 3555579.

It is a happy number.

It is a Curzon number.

It is a nialpdrome in base 10.

It is an unprimeable number.

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, 1625896 + ... + 1625955.

It is an arithmetic number, because the mean of its divisors is an integer number (14633334).

Almost surely, 2^97555530 is an apocalyptic number.

97555530 is an abundant number, since it is smaller than the sum of its proper divisors (136577814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97555530 is a wasteful number, since it uses less digits than its factorization.

97555530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251861.

The product of its (nonzero) digits is 118125, while the sum is 39.

The square root of 97555530 is about 9877.0202996653. The cubic root of 97555530 is about 460.3455657924.

The spelling of 97555530 in words is "ninety-seven million, five hundred fifty-five thousand, five hundred thirty".