55332061 has 2 divisors, whose sum is σ = 55332062. Its totient is φ = 55332060.

The previous prime is 55332049. The next prime is 55332091. The reversal of 55332061 is 16023355.

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., 35928036 + 19404025 = 5994^2 + 4405^2 .

It is a cyclic number.

It is not a de Polignac number, because 55332061 - 2¹¹ = 55330013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55332031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27666030 + 27666031.

It is an arithmetic number, because the mean of its divisors is an integer number (27666031).

Almost surely, 2^55332061 is an apocalyptic number.

It is an amenable number.

55332061 is a deficient number, since it is larger than the sum of its proper divisors (1).

55332061 is an equidigital number, since it uses as much as digits as its factorization.

55332061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 55332061 is about 7438.5523457189. The cubic root of 55332061 is about 381.0590517059.

The spelling of 55332061 in words is "fifty-five million, three hundred thirty-two thousand, sixty-one".