55531404033 has 16 divisors (see below), whose sum is σ = 88298382336. Its totient is φ = 30352568400.

The previous prime is 55531404023. The next prime is 55531404037. The reversal of 55531404033 is 33040413555.

It is not a de Polignac number, because 55531404033 - 2⁴ = 55531404017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55531403985 and 55531404003.

It is not an unprimeable number, because it can be changed into a prime (55531404037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57485443 + ... + 57486408.

It is an arithmetic number, because the mean of its divisors is an integer number (5518648896).

Almost surely, 2^55531404033 is an apocalyptic number.

It is an amenable number.

55531404033 is a deficient number, since it is larger than the sum of its proper divisors (32766978303).

55531404033 is a wasteful number, since it uses less digits than its factorization.

55531404033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114971884.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 55531404033 its reverse (33040413555), we get a palindrome (88571817588).

The spelling of 55531404033 in words is "fifty-five billion, five hundred thirty-one million, four hundred four thousand, thirty-three".