55135007 has 2 divisors, whose sum is σ = 55135008. Its totient is φ = 55135006.

The previous prime is 55134971. The next prime is 55135027. The reversal of 55135007 is 70053155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55135007 - 2⁶ = 55134943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55135027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27567503 + 27567504.

It is an arithmetic number, because the mean of its divisors is an integer number (27567504).

Almost surely, 2^55135007 is an apocalyptic number.

55135007 is a deficient number, since it is larger than the sum of its proper divisors (1).

55135007 is an equidigital number, since it uses as much as digits as its factorization.

55135007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 55135007 is about 7425.2950783117. The cubic root of 55135007 is about 380.6061586082.

The spelling of 55135007 in words is "fifty-five million, one hundred thirty-five thousand, seven".