55516789041 has 32 divisors (see below), whose sum is σ = 89597249280. Its totient is φ = 29849788416.

The previous prime is 55516789039. The next prime is 55516789103. The reversal of 55516789041 is 14098761555.

It is not a de Polignac number, because 55516789041 - 2¹ = 55516789039 is a prime.

It is a super-2 number, since 2×55516789041² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (55516789241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1465345 + ... + 1502753.

It is an arithmetic number, because the mean of its divisors is an integer number (2799914040).

Almost surely, 2^55516789041 is an apocalyptic number.

55516789041 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55516789041 is a deficient number, since it is larger than the sum of its proper divisors (34080460239).

55516789041 is a wasteful number, since it uses less digits than its factorization.

55516789041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41593.

The product of its (nonzero) digits is 1512000, while the sum is 51.

The spelling of 55516789041 in words is "fifty-five billion, five hundred sixteen million, seven hundred eighty-nine thousand, forty-one".