55054189429 has 4 divisors (see below), whose sum is σ = 55078264384. Its totient is φ = 55030114476.

The previous prime is 55054189409. The next prime is 55054189447. The reversal of 55054189429 is 92498145055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55054189429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55054189409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12034047 + ... + 12038620.

It is an arithmetic number, because the mean of its divisors is an integer number (13769566096).

Almost surely, 2^55054189429 is an apocalyptic number.

It is an amenable number.

55054189429 is a deficient number, since it is larger than the sum of its proper divisors (24074955).

55054189429 is a wasteful number, since it uses less digits than its factorization.

55054189429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24074954.

The product of its (nonzero) digits is 2592000, while the sum is 52.

The spelling of 55054189429 in words is "fifty-five billion, fifty-four million, one hundred eighty-nine thousand, four hundred twenty-nine".