55312023250143 has 32 divisors (see below), whose sum is σ = 94651590597120. Its totient is φ = 31550530193280.

The previous prime is 55312023250097. The next prime is 55312023250147. The reversal of 55312023250143 is 34105232021355.

55312023250143 is a `hidden beast` number, since 5 + 5 + 3 + 120 + 23 + 2 + 501 + 4 + 3 = 666.

It is not a de Polignac number, because 55312023250143 - 2⁶ = 55312023250079 is a prime.

It is a super-2 number, since 2×55312023250143² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55312023250098 and 55312023250107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55312023250147) 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, 5477517555 + ... + 5477527652.

It is an arithmetic number, because the mean of its divisors is an integer number (2957862206160).

Almost surely, 2^{55312023250143} is an apocalyptic number.

55312023250143 is a deficient number, since it is larger than the sum of its proper divisors (39339567346977).

55312023250143 is a wasteful number, since it uses less digits than its factorization.

55312023250143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10955045244 (or 10955045238 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 55312023250143 its reverse (34105232021355), we get a palindrome (89417255271498).

The spelling of 55312023250143 in words is "fifty-five trillion, three hundred twelve billion, twenty-three million, two hundred fifty thousand, one hundred forty-three".