99956057 has 2 divisors, whose sum is σ = 99956058. Its totient is φ = 99956056.

The previous prime is 99956029. The next prime is 99956119. The reversal of 99956057 is 75065999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82156096 + 17799961 = 9064^2 + 4219^2 .

It is a cyclic number.

It is not a de Polignac number, because 99956057 - 2⁶ = 99955993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99955996 and 99956014.

It is not a weakly prime, because it can be changed into another prime (99956557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49978028 + 49978029.

It is an arithmetic number, because the mean of its divisors is an integer number (49978029).

Almost surely, 2^99956057 is an apocalyptic number.

It is an amenable number.

99956057 is a deficient number, since it is larger than the sum of its proper divisors (1).

99956057 is an equidigital number, since it uses as much as digits as its factorization.

99956057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 765450, while the sum is 50.

The square root of 99956057 is about 9997.8026085735. The cubic root of 99956057 is about 464.0908849541.

The spelling of 99956057 in words is "ninety-nine million, nine hundred fifty-six thousand, fifty-seven".