54607534440 has 128 divisors (see below), whose sum is σ = 173686464000. Its totient is φ = 13696259328.

The previous prime is 54607534391. The next prime is 54607534447. The reversal of 54607534440 is 4443570645.

It is a happy number.

It is a super-2 number, since 2×54607534440² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54607534392 and 54607534401.

It is not an unprimeable number, because it can be changed into a prime (54607534447) 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, 230767 + ... + 403073.

It is an arithmetic number, because the mean of its divisors is an integer number (1356925500).

Almost surely, 2^54607534440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54607534440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86843232000).

54607534440 is an abundant number, since it is smaller than the sum of its proper divisors (119078929560).

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

54607534440 is a wasteful number, since it uses less digits than its factorization.

54607534440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172479 (or 172475 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 42.

The spelling of 54607534440 in words is "fifty-four billion, six hundred seven million, five hundred thirty-four thousand, four hundred forty".