65054551 has 2 divisors, whose sum is σ = 65054552. Its totient is φ = 65054550.

The previous prime is 65054527. The next prime is 65054573. The reversal of 65054551 is 15545056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65054551 - 2¹⁵ = 65021783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65054581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32527275 + 32527276.

It is an arithmetic number, because the mean of its divisors is an integer number (32527276).

Almost surely, 2^65054551 is an apocalyptic number.

65054551 is a deficient number, since it is larger than the sum of its proper divisors (1).

65054551 is an equidigital number, since it uses as much as digits as its factorization.

65054551 is an odious number, because the sum of its binary digits is odd.

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

The square root of 65054551 is about 8065.6401481841. The cubic root of 65054551 is about 402.1850236953.

The spelling of 65054551 in words is "sixty-five million, fifty-four thousand, five hundred fifty-one".