55130025240 has 48 divisors (see below), whose sum is σ = 179172583200. Its totient is φ = 14701339968.

The previous prime is 55130025221. The next prime is 55130025257. The reversal of 55130025240 is 4252003155.

It is a happy number.

55130025240 is a `hidden beast` number, since 5 + 5 + 130 + 0 + 2 + 524 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76569120 + ... + 76569839.

It is an arithmetic number, because the mean of its divisors is an integer number (3732762150).

Almost surely, 2^55130025240 is an apocalyptic number.

It is an amenable number.

55130025240 is an abundant number, since it is smaller than the sum of its proper divisors (124042557960).

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

55130025240 is a wasteful number, since it uses less digits than its factorization.

55130025240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153138976 (or 153138969 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 55130025240 its reverse (4252003155), we get a palindrome (59382028395).

The spelling of 55130025240 in words is "fifty-five billion, one hundred thirty million, twenty-five thousand, two hundred forty".