55121034134 has 8 divisors (see below), whose sum is σ = 83915604408. Its totient is φ = 27149166000.

The previous prime is 55121034119. The next prime is 55121034139. The reversal of 55121034134 is 43143012155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55121034097 and 55121034106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55121034139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205675367 + ... + 205675634.

It is an arithmetic number, because the mean of its divisors is an integer number (10489450551).

Almost surely, 2^55121034134 is an apocalyptic number.

55121034134 is a deficient number, since it is larger than the sum of its proper divisors (28794570274).

55121034134 is a wasteful number, since it uses less digits than its factorization.

55121034134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411351070.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 55121034134 its reverse (43143012155), we get a palindrome (98264046289).

The spelling of 55121034134 in words is "fifty-five billion, one hundred twenty-one million, thirty-four thousand, one hundred thirty-four".