55451033004 has 12 divisors (see below), whose sum is σ = 129385743704. Its totient is φ = 18483677664.

The previous prime is 55451032981. The next prime is 55451033009. The reversal of 55451033004 is 40033015455.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55451033004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55451033009) 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, 2310459697 + ... + 2310459720.

Almost surely, 2^55451033004 is an apocalyptic number.

It is an amenable number.

55451033004 is an abundant number, since it is smaller than the sum of its proper divisors (73934710700).

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

55451033004 is a wasteful number, since it uses less digits than its factorization.

55451033004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620919424 (or 4620919422 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 55451033004 its reverse (40033015455), we get a palindrome (95484048459).

The spelling of 55451033004 in words is "fifty-five billion, four hundred fifty-one million, thirty-three thousand, four".