102355553 has 2 divisors, whose sum is σ = 102355554. Its totient is φ = 102355552.

The previous prime is 102355549. The next prime is 102355559. The reversal of 102355553 is 355553201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92006464 + 10349089 = 9592^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 102355553 - 2² = 102355549 is a prime.

It is not a weakly prime, because it can be changed into another prime (102355559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51177776 + 51177777.

It is an arithmetic number, because the mean of its divisors is an integer number (51177777).

Almost surely, 2^102355553 is an apocalyptic number.

It is an amenable number.

102355553 is a deficient number, since it is larger than the sum of its proper divisors (1).

102355553 is an equidigital number, since it uses as much as digits as its factorization.

102355553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 102355553 is about 10117.0921217512. The cubic root of 102355553 is about 467.7751388304.

The spelling of 102355553 in words is "one hundred two million, three hundred fifty-five thousand, five hundred fifty-three".