55305431025003 has 24 divisors (see below), whose sum is σ = 80700131068128. Its totient is φ = 36496146241152.

The previous prime is 55305431024953. The next prime is 55305431025029. The reversal of 55305431025003 is 30052013450355.

55305431025003 is a `hidden beast` number, since 5 + 5 + 3 + 0 + 5 + 43 + 102 + 500 + 3 = 666.

It is not a de Polignac number, because 55305431025003 - 2⁶ = 55305431024939 is a prime.

It is a super-2 number, since 2×55305431025003² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55305431025043) 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, 74039850 + ... + 74783087.

It is an arithmetic number, because the mean of its divisors is an integer number (3362505461172).

Almost surely, 2^{55305431025003} is an apocalyptic number.

55305431025003 is a deficient number, since it is larger than the sum of its proper divisors (25394700043125).

55305431025003 is a wasteful number, since it uses less digits than its factorization.

55305431025003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148823363 (or 148823360 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 55305431025003 its reverse (30052013450355), we get a palindrome (85357444475358).

The spelling of 55305431025003 in words is "fifty-five trillion, three hundred five billion, four hundred thirty-one million, twenty-five thousand, three".