65554051 has 2 divisors, whose sum is σ = 65554052. Its totient is φ = 65554050.

The previous prime is 65554043. The next prime is 65554063. The reversal of 65554051 is 15045556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65554051 - 2³ = 65554043 is a prime.

It is a Chen prime.

It is equal to p_3871372 and since 65554051 and 3871372 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65554001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32777025 + 32777026.

It is an arithmetic number, because the mean of its divisors is an integer number (32777026).

Almost surely, 2^65554051 is an apocalyptic number.

65554051 is a deficient number, since it is larger than the sum of its proper divisors (1).

65554051 is an equidigital number, since it uses as much as digits as its factorization.

65554051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 65554051 is about 8096.5456214363. The cubic root of 65554051 is about 403.2117489011.

The spelling of 65554051 in words is "sixty-five million, five hundred fifty-four thousand, fifty-one".