53046433440 has 2304 divisors, whose sum is σ = 266290053120. Its totient is φ = 9614868480.

The previous prime is 53046433423. The next prime is 53046433477. The reversal of 53046433440 is 4433464035.

53046433440 is a `hidden beast` number, since 5 + 3 + 0 + 4 + 643 + 3 + 4 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53046433395 and 53046433404.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1128647497 + ... + 1128647543.

It is an arithmetic number, because the mean of its divisors is an integer number (115577280).

Almost surely, 2^53046433440 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 53046433440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133145026560).

53046433440 is an abundant number, since it is smaller than the sum of its proper divisors (213243619680).

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

53046433440 is a wasteful number, since it uses less digits than its factorization.

53046433440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 53046433440 its reverse (4433464035), we get a palindrome (57479897475).

The spelling of 53046433440 in words is "fifty-three billion, forty-six million, four hundred thirty-three thousand, four hundred forty".