97056511 has 4 divisors (see below), whose sum is σ = 97095024. Its totient is φ = 97018000.

The previous prime is 97056499. The next prime is 97056523. The reversal of 97056511 is 11565079.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (97056499) and next prime (97056523).

It is a cyclic number.

It is not a de Polignac number, because 97056511 - 2²⁵ = 63502079 is a prime.

It is a super-4 number, since 4×97056511⁴ (a number of 33 digits) contains 4444 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 (97051511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15190 + ... + 20611.

It is an arithmetic number, because the mean of its divisors is an integer number (24273756).

Almost surely, 2^97056511 is an apocalyptic number.

97056511 is a deficient number, since it is larger than the sum of its proper divisors (38513).

97056511 is a wasteful number, since it uses less digits than its factorization.

97056511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38512.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 97056511 is about 9851.7262954266. The cubic root of 97056511 is about 459.5592990954.

The spelling of 97056511 in words is "ninety-seven million, fifty-six thousand, five hundred eleven".