97555447 has 8 divisors (see below), whose sum is σ = 106501392. Its totient is φ = 88622400.

The previous prime is 97555427. The next prime is 97555459. The reversal of 97555447 is 74455579.

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 97555447 - 2⁷ = 97555319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97555397 and 97555406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97555427) 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, 19747 + ... + 24187.

It is an arithmetic number, because the mean of its divisors is an integer number (13312674).

Almost surely, 2^97555447 is an apocalyptic number.

97555447 is a deficient number, since it is larger than the sum of its proper divisors (8945945).

97555447 is a wasteful number, since it uses less digits than its factorization.

97555447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449.

The product of its digits is 882000, while the sum is 46.

The square root of 97555447 is about 9877.0160979923. The cubic root of 97555447 is about 460.3454352388.

The spelling of 97555447 in words is "ninety-seven million, five hundred fifty-five thousand, four hundred forty-seven".