55512302442031 has 32 divisors (see below), whose sum is σ = 56606815641600. Its totient is φ = 54426459849696.

The previous prime is 55512302442019. The next prime is 55512302442043. The reversal of 55512302442031 is 13024420321555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55512302442019) and next prime (55512302442043).

It is a cyclic number.

It is not a de Polignac number, because 55512302442031 - 2³⁵ = 55477942703663 is a prime.

It is a super-2 number, since 2×55512302442031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55512302442131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32673514420 + ... + 32673516118.

It is an arithmetic number, because the mean of its divisors is an integer number (1768962988800).

Almost surely, 2^{55512302442031} is an apocalyptic number.

55512302442031 is a deficient number, since it is larger than the sum of its proper divisors (1094513199569).

55512302442031 is a wasteful number, since it uses less digits than its factorization.

55512302442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 55512302442031 its reverse (13024420321555), we get a palindrome (68536722763586).

The spelling of 55512302442031 in words is "fifty-five trillion, five hundred twelve billion, three hundred two million, four hundred forty-two thousand, thirty-one".