55429452144 has 100 divisors (see below), whose sum is σ = 175013407800. Its totient is φ = 16796799360.

The previous prime is 55429452131. The next prime is 55429452181. The reversal of 55429452144 is 44125492455.

55429452144 is a `hidden beast` number, since 5 + 5 + 429 + 4 + 5 + 214 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55429452144.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1929819 + ... + 1958330.

It is an arithmetic number, because the mean of its divisors is an integer number (1750134078).

Almost surely, 2^55429452144 is an apocalyptic number.

55429452144 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55429452144 is an abundant number, since it is smaller than the sum of its proper divisors (119583955656).

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

55429452144 is a wasteful number, since it uses less digits than its factorization.

55429452144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888180 (or 3888165 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 55429452144 in words is "fifty-five billion, four hundred twenty-nine million, four hundred fifty-two thousand, one hundred forty-four".