55336012531 has 2 divisors, whose sum is σ = 55336012532. Its totient is φ = 55336012530.

The previous prime is 55336012507. The next prime is 55336012573. The reversal of 55336012531 is 13521063355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55336012531 - 2¹⁷ = 55335881459 is a prime.

It is a super-2 number, since 2×55336012531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55336012331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27668006265 + 27668006266.

It is an arithmetic number, because the mean of its divisors is an integer number (27668006266).

Almost surely, 2^55336012531 is an apocalyptic number.

55336012531 is a deficient number, since it is larger than the sum of its proper divisors (1).

55336012531 is an equidigital number, since it uses as much as digits as its factorization.

55336012531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 34.

Adding to 55336012531 its reverse (13521063355), we get a palindrome (68857075886).

The spelling of 55336012531 in words is "fifty-five billion, three hundred thirty-six million, twelve thousand, five hundred thirty-one".