97520056 has 8 divisors (see below), whose sum is σ = 182850120. Its totient is φ = 48760024.

The previous prime is 97520051. The next prime is 97520057. The reversal of 97520056 is 65002579.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×97520056² = 19020322644486272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97520051) by changing a digit.

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 as a sum of consecutive naturals, namely, 6094996 + ... + 6095011.

It is an arithmetic number, because the mean of its divisors is an integer number (22856265).

Almost surely, 2^97520056 is an apocalyptic number.

It is an amenable number.

97520056 is a deficient number, since it is larger than the sum of its proper divisors (85330064).

97520056 is a wasteful number, since it uses less digits than its factorization.

97520056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12190013 (or 12190009 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 97520056 is about 9875.2243518818. The cubic root of 97520056 is about 460.2897607264.

The spelling of 97520056 in words is "ninety-seven million, five hundred twenty thousand, fifty-six".