55903299472044 has 72 divisors (see below), whose sum is σ = 144600598942800. Its totient is φ = 18200674501632.

The previous prime is 55903299472037. The next prime is 55903299472049. The reversal of 55903299472044 is 44027499230955.

55903299472044 is a `hidden beast` number, since 5 + 5 + 9 + 0 + 32 + 99 + 472 + 0 + 44 = 666.

It is a super-2 number, since 2×55903299472044² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55903299472049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74701032 + ... + 75445680.

Almost surely, 2^{55903299472044} is an apocalyptic number.

It is an amenable number.

55903299472044 is an abundant number, since it is smaller than the sum of its proper divisors (88697299470756).

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

55903299472044 is a wasteful number, since it uses less digits than its factorization.

55903299472044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793199 (or 793194 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 63.

The spelling of 55903299472044 in words is "fifty-five trillion, nine hundred three billion, two hundred ninety-nine million, four hundred seventy-two thousand, forty-four".