55692293 has 2 divisors, whose sum is σ = 55692294. Its totient is φ = 55692292.

The previous prime is 55692251. The next prime is 55692311. The reversal of 55692293 is 39229655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55323844 + 368449 = 7438^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 55692293 - 2¹² = 55688197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55692293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55692193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27846146 + 27846147.

It is an arithmetic number, because the mean of its divisors is an integer number (27846147).

Almost surely, 2^55692293 is an apocalyptic number.

It is an amenable number.

55692293 is a deficient number, since it is larger than the sum of its proper divisors (1).

55692293 is an equidigital number, since it uses as much as digits as its factorization.

55692293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 41.

The square root of 55692293 is about 7462.7269144730. The cubic root of 55692293 is about 381.8842083009.

The spelling of 55692293 in words is "fifty-five million, six hundred ninety-two thousand, two hundred ninety-three".