55064057 has 2 divisors, whose sum is σ = 55064058. Its totient is φ = 55064056.

The previous prime is 55064041. The next prime is 55064077. The reversal of 55064057 is 75046055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31483321 + 23580736 = 5611^2 + 4856^2 .

It is a cyclic number.

It is not a de Polignac number, because 55064057 - 2⁴ = 55064041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55064077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27532028 + 27532029.

It is an arithmetic number, because the mean of its divisors is an integer number (27532029).

Almost surely, 2^55064057 is an apocalyptic number.

It is an amenable number.

55064057 is a deficient number, since it is larger than the sum of its proper divisors (1).

55064057 is an equidigital number, since it uses as much as digits as its factorization.

55064057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 55064057 is about 7420.5159524119. The cubic root of 55064057 is about 380.4428286296.

The spelling of 55064057 in words is "fifty-five million, sixty-four thousand, fifty-seven".