55043031240 has 96 divisors (see below), whose sum is σ = 185058502200. Its totient is φ = 14171996160.

The previous prime is 55043031209. The next prime is 55043031259. The reversal of 55043031240 is 4213034055.

55043031240 is a `hidden beast` number, since 5 + 504 + 30 + 3 + 124 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 47277544356 + 7765486884 = 217434^2 + 88122^2 .

It is a super-3 number, since 3×55043031240³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2625721 + ... + 2646600.

Almost surely, 2^55043031240 is an apocalyptic number.

It is an amenable number.

55043031240 is an abundant number, since it is smaller than the sum of its proper divisors (130015470960).

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

55043031240 is a wasteful number, since it uses less digits than its factorization.

55043031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272367 (or 5272360 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 55043031240 its reverse (4213034055), we get a palindrome (59256065295).

The spelling of 55043031240 in words is "fifty-five billion, forty-three million, thirty-one thousand, two hundred forty".