55135793 has 2 divisors, whose sum is σ = 55135794. Its totient is φ = 55135792.

The previous prime is 55135781. The next prime is 55135819. The reversal of 55135793 is 39753155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55011889 + 123904 = 7417^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 55135793 - 2¹⁸ = 54873649 is a prime.

It is equal to p_3289871 and since 55135793 and 3289871 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55135723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27567896 + 27567897.

It is an arithmetic number, because the mean of its divisors is an integer number (27567897).

Almost surely, 2^55135793 is an apocalyptic number.

It is an amenable number.

55135793 is a deficient number, since it is larger than the sum of its proper divisors (1).

55135793 is an equidigital number, since it uses as much as digits as its factorization.

55135793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70875, while the sum is 38.

The square root of 55135793 is about 7425.3480053126. The cubic root of 55135793 is about 380.6079672293.

The spelling of 55135793 in words is "fifty-five million, one hundred thirty-five thousand, seven hundred ninety-three".