105556051 has 2 divisors, whose sum is σ = 105556052. Its totient is φ = 105556050.

The previous prime is 105556049. The next prime is 105556063. The reversal of 105556051 is 150655501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105556051 - 2¹ = 105556049 is a prime.

It is a super-2 number, since 2×105556051² = 22284159805429202, which contains 22 as substring.

Together with 105556049, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105556081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52778025 + 52778026.

It is an arithmetic number, because the mean of its divisors is an integer number (52778026).

Almost surely, 2^105556051 is an apocalyptic number.

105556051 is a deficient number, since it is larger than the sum of its proper divisors (1).

105556051 is an equidigital number, since it uses as much as digits as its factorization.

105556051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 105556051 is about 10274.0474497639. The cubic root of 105556051 is about 472.6007190831.

The spelling of 105556051 in words is "one hundred five million, five hundred fifty-six thousand, fifty-one".