53550550752187 has 2 divisors, whose sum is σ = 53550550752188. Its totient is φ = 53550550752186.

The previous prime is 53550550752169. The next prime is 53550550752217. The reversal of 53550550752187 is 78125705505535.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53550550752187 is a prime.

It is a super-2 number, since 2×53550550752187² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53550550752137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26775275376093 + 26775275376094.

It is an arithmetic number, because the mean of its divisors is an integer number (26775275376094).

Almost surely, 2^{53550550752187} is an apocalyptic number.

53550550752187 is a deficient number, since it is larger than the sum of its proper divisors (1).

53550550752187 is an equidigital number, since it uses as much as digits as its factorization.

53550550752187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36750000, while the sum is 58.

The spelling of 53550550752187 in words is "fifty-three trillion, five hundred fifty billion, five hundred fifty million, seven hundred fifty-two thousand, one hundred eighty-seven".