55135031527 has 2 divisors, whose sum is σ = 55135031528. Its totient is φ = 55135031526.

The previous prime is 55135031521. The next prime is 55135031563. The reversal of 55135031527 is 72513053155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55135031527 - 2¹¹ = 55135029479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55135031521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27567515763 + 27567515764.

It is an arithmetic number, because the mean of its divisors is an integer number (27567515764).

Almost surely, 2^55135031527 is an apocalyptic number.

55135031527 is a deficient number, since it is larger than the sum of its proper divisors (1).

55135031527 is an equidigital number, since it uses as much as digits as its factorization.

55135031527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78750, while the sum is 37.

The spelling of 55135031527 in words is "fifty-five billion, one hundred thirty-five million, thirty-one thousand, five hundred twenty-seven".