55075548634531 has 2 divisors, whose sum is σ = 55075548634532. Its totient is φ = 55075548634530.

The previous prime is 55075548634493. The next prime is 55075548634573. The reversal of 55075548634531 is 13543684557055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55075548634531 - 2¹³ = 55075548626339 is a prime.

It is a super-2 number, since 2×55075548634531² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55075548634531.

It is not a weakly prime, because it can be changed into another prime (55075548334531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27537774317265 + 27537774317266.

It is an arithmetic number, because the mean of its divisors is an integer number (27537774317266).

Almost surely, 2^{55075548634531} is an apocalyptic number.

55075548634531 is a deficient number, since it is larger than the sum of its proper divisors (1).

55075548634531 is an equidigital number, since it uses as much as digits as its factorization.

55075548634531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200000, while the sum is 61.

The spelling of 55075548634531 in words is "fifty-five trillion, seventy-five billion, five hundred forty-eight million, six hundred thirty-four thousand, five hundred thirty-one".