97555501 has 4 divisors (see below), whose sum is σ = 97578400. Its totient is φ = 97532604.

The previous prime is 97555483. The next prime is 97555553. The reversal of 97555501 is 10555579.

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 97555501 - 2⁷ = 97555373 is a prime.

It is a super-2 number, since 2×97555501² = 19034151550722002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97555201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2961 + ... + 14278.

It is an arithmetic number, because the mean of its divisors is an integer number (24394600).

Almost surely, 2^97555501 is an apocalyptic number.

It is an amenable number.

97555501 is a deficient number, since it is larger than the sum of its proper divisors (22899).

97555501 is a wasteful number, since it uses less digits than its factorization.

97555501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22898.

The product of its (nonzero) digits is 39375, while the sum is 37.

The square root of 97555501 is about 9877.0188316111. The cubic root of 97555501 is about 460.3455201773.

The spelling of 97555501 in words is "ninety-seven million, five hundred fifty-five thousand, five hundred one".