55515033404 has 24 divisors (see below), whose sum is σ = 98169596448. Its totient is φ = 27466675200.

The previous prime is 55515033377. The next prime is 55515033437. The reversal of 55515033404 is 40433051555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3807929 + ... + 3822479.

It is an arithmetic number, because the mean of its divisors is an integer number (4090399852).

Almost surely, 2^55515033404 is an apocalyptic number.

It is an amenable number.

55515033404 is a deficient number, since it is larger than the sum of its proper divisors (42654563044).

55515033404 is a wasteful number, since it uses less digits than its factorization.

55515033404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24485 (or 24483 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 55515033404 its reverse (40433051555), we get a palindrome (95948084959).

The spelling of 55515033404 in words is "fifty-five billion, five hundred fifteen million, thirty-three thousand, four hundred four".