55241440551 has 36 divisors (see below), whose sum is σ = 92865807216. Its totient is φ = 31510258560.

The previous prime is 55241440531. The next prime is 55241440601. The reversal of 55241440551 is 15504414255.

55241440551 is a `hidden beast` number, since 5 + 5 + 241 + 4 + 405 + 5 + 1 = 666.

It is not a de Polignac number, because 55241440551 - 2⁹ = 55241440039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55241440531) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1473451 + ... + 1510476.

It is an arithmetic number, because the mean of its divisors is an integer number (2579605756).

Almost surely, 2^55241440551 is an apocalyptic number.

55241440551 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55241440551 is a deficient number, since it is larger than the sum of its proper divisors (37624366665).

55241440551 is a wasteful number, since it uses less digits than its factorization.

55241440551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983972 (or 2983958 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 55241440551 in words is "fifty-five billion, two hundred forty-one million, four hundred forty thousand, five hundred fifty-one".