96509557 has 4 divisors (see below), whose sum is σ = 96663136. Its totient is φ = 96355980.

The previous prime is 96509551. The next prime is 96509563. The reversal of 96509557 is 75590569.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75590569 = 19 ⋅3978451.

It is an interprime number because it is at equal distance from previous prime (96509551) and next prime (96509563).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96509557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96509551) 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, 75843 + ... + 77104.

It is an arithmetic number, because the mean of its divisors is an integer number (24165784).

Almost surely, 2^96509557 is an apocalyptic number.

It is an amenable number.

96509557 is a deficient number, since it is larger than the sum of its proper divisors (153579).

96509557 is a wasteful number, since it uses less digits than its factorization.

96509557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153578.

The product of its (nonzero) digits is 425250, while the sum is 46.

The square root of 96509557 is about 9823.9277786433. The cubic root of 96509557 is about 458.6944028033.

The spelling of 96509557 in words is "ninety-six million, five hundred nine thousand, five hundred fifty-seven".