54511244040 has 64 divisors (see below), whose sum is σ = 178400439360. Its totient is φ = 13214846720.

The previous prime is 54511244033. The next prime is 54511244087. The reversal of 54511244040 is 4044211545.

It is a super-4 number, since 4×54511244040⁴ (a number of 44 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54511243989 and 54511244007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20646879 + ... + 20649518.

It is an arithmetic number, because the mean of its divisors is an integer number (2787506865).

Almost surely, 2^54511244040 is an apocalyptic number.

It is an amenable number.

54511244040 is an abundant number, since it is smaller than the sum of its proper divisors (123889195320).

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

54511244040 is a wasteful number, since it uses less digits than its factorization.

54511244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41296422 (or 41296418 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 54511244040 its reverse (4044211545), we get a palindrome (58555455585).

The spelling of 54511244040 in words is "fifty-four billion, five hundred eleven million, two hundred forty-four thousand, forty".