55261106142 has 32 divisors (see below), whose sum is σ = 122221336320. Its totient is φ = 16516393920.

The previous prime is 55261106141. The next prime is 55261106189. The reversal of 55261106142 is 24160116255.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55261106141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5730042 + ... + 5739677.

It is an arithmetic number, because the mean of its divisors is an integer number (3819416760).

Almost surely, 2^55261106142 is an apocalyptic number.

55261106142 is an abundant number, since it is smaller than the sum of its proper divisors (66960230178).

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

55261106142 is a wasteful number, since it uses less digits than its factorization.

55261106142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11469808.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 55261106142 in words is "fifty-five billion, two hundred sixty-one million, one hundred six thousand, one hundred forty-two".