55213303134 has 32 divisors (see below), whose sum is σ = 120528051840. Its totient is φ = 16722600800.

The previous prime is 55213303133. The next prime is 55213303139. The reversal of 55213303134 is 43130331255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55213303133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89169 + ... + 344060.

It is an arithmetic number, because the mean of its divisors is an integer number (3766501620).

Almost surely, 2^55213303134 is an apocalyptic number.

55213303134 is an abundant number, since it is smaller than the sum of its proper divisors (65314748706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55213303134 is a wasteful number, since it uses less digits than its factorization.

55213303134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435176.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 55213303134 its reverse (43130331255), we get a palindrome (98343634389).

It can be divided in two parts, 552133031 and 34, that added together give a triangular number (552133065 = T₃₃₂₃₀).

The spelling of 55213303134 in words is "fifty-five billion, two hundred thirteen million, three hundred three thousand, one hundred thirty-four".