55516929444 has 96 divisors (see below), whose sum is σ = 154235975040. Its totient is φ = 17207184384.

The previous prime is 55516929437. The next prime is 55516929467. The reversal of 55516929444 is 44492961555.

It is a happy number.

55516929444 is a `hidden beast` number, since 5 + 551 + 69 + 29 + 4 + 4 + 4 = 666.

It is a super-3 number, since 3×55516929444³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29769 + ... + 334544.

It is an arithmetic number, because the mean of its divisors is an integer number (1606624740).

Almost surely, 2^55516929444 is an apocalyptic number.

55516929444 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55516929444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77117987520).

55516929444 is an abundant number, since it is smaller than the sum of its proper divisors (98719045596).

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

55516929444 is a wasteful number, since it uses less digits than its factorization.

55516929444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364426 (or 364418 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 55516929444 in words is "fifty-five billion, five hundred sixteen million, nine hundred twenty-nine thousand, four hundred forty-four".