55033641531 has 48 divisors (see below), whose sum is σ = 91639866240. Its totient is φ = 31475036160.

The previous prime is 55033641511. The next prime is 55033641541. The reversal of 55033641531 is 13514633055.

55033641531 is a `hidden beast` number, since 5 + 5 + 0 + 3 + 3 + 641 + 5 + 3 + 1 = 666.

It is not a de Polignac number, because 55033641531 - 2³⁵ = 20673903163 is a prime.

It is a super-2 number, since 2×55033641531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55033641511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 426496 + ... + 540338.

It is an arithmetic number, because the mean of its divisors is an integer number (1909163880).

Almost surely, 2^55033641531 is an apocalyptic number.

55033641531 is a deficient number, since it is larger than the sum of its proper divisors (36606224709).

55033641531 is a wasteful number, since it uses less digits than its factorization.

55033641531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114136 (or 114133 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 55033641531 in words is "fifty-five billion, thirty-three million, six hundred forty-one thousand, five hundred thirty-one".