55122040534 has 24 divisors (see below), whose sum is σ = 94834479600. Its totient is φ = 23966102160.

The previous prime is 55122040481. The next prime is 55122040559. The reversal of 55122040534 is 43504022155.

It is a junction number, because it is equal to n+sod(n) for n = 55122040496 and 55122040505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4946109 + ... + 4957240.

It is an arithmetic number, because the mean of its divisors is an integer number (3951436650).

Almost surely, 2^55122040534 is an apocalyptic number.

55122040534 is a deficient number, since it is larger than the sum of its proper divisors (39712439066).

55122040534 is a wasteful number, since it uses less digits than its factorization.

55122040534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903396 (or 9903385 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 55122040534 its reverse (43504022155), we get a palindrome (98626062689).

The spelling of 55122040534 in words is "fifty-five billion, one hundred twenty-two million, forty thousand, five hundred thirty-four".