55135124444 has 6 divisors (see below), whose sum is σ = 96486467784. Its totient is φ = 27567562220.

The previous prime is 55135124441. The next prime is 55135124461. The reversal of 55135124444 is 44442153155.

It is a super-4 number, since 4×55135124444⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55135124398 and 55135124407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55135124441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6891890552 + ... + 6891890559.

It is an arithmetic number, because the mean of its divisors is an integer number (16081077964).

Almost surely, 2^55135124444 is an apocalyptic number.

It is an amenable number.

55135124444 is a deficient number, since it is larger than the sum of its proper divisors (41351343340).

55135124444 is a wasteful number, since it uses less digits than its factorization.

55135124444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13783781115 (or 13783781113 counting only the distinct ones).

The product of its digits is 192000, while the sum is 38.

Adding to 55135124444 its reverse (44442153155), we get a palindrome (99577277599).

The spelling of 55135124444 in words is "fifty-five billion, one hundred thirty-five million, one hundred twenty-four thousand, four hundred forty-four".