64553941 has 2 divisors, whose sum is σ = 64553942. Its totient is φ = 64553940.

The previous prime is 64553927. The next prime is 64553953. The reversal of 64553941 is 14935546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37773316 + 26780625 = 6146^2 + 5175^2 .

It is a cyclic number.

It is not a de Polignac number, because 64553941 - 2¹³ = 64545749 is a prime.

It is a super-2 number, since 2×64553941² = 8334422597262962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64553941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64553141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32276970 + 32276971.

It is an arithmetic number, because the mean of its divisors is an integer number (32276971).

Almost surely, 2^64553941 is an apocalyptic number.

It is an amenable number.

64553941 is a deficient number, since it is larger than the sum of its proper divisors (1).

64553941 is an equidigital number, since it uses as much as digits as its factorization.

64553941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 64553941 is about 8034.5467202575. The cubic root of 64553941 is about 401.1507301259.

The spelling of 64553941 in words is "sixty-four million, five hundred fifty-three thousand, nine hundred forty-one".