55065240504 has 96 divisors (see below), whose sum is σ = 155341105920. Its totient is φ = 18274074336.

The previous prime is 55065240497. The next prime is 55065240523. The reversal of 55065240504 is 40504256055.

55065240504 is a `hidden beast` number, since 5 + 50 + 65 + 2 + 40 + 504 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378897 + ... + 503679.

It is an arithmetic number, because the mean of its divisors is an integer number (1618136520).

Almost surely, 2^55065240504 is an apocalyptic number.

55065240504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55065240504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77670552960).

55065240504 is an abundant number, since it is smaller than the sum of its proper divisors (100275865416).

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

55065240504 is a wasteful number, since it uses less digits than its factorization.

55065240504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125031 (or 125015 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 55065240504 its reverse (40504256055), we get a palindrome (95569496559).

The spelling of 55065240504 in words is "fifty-five billion, sixty-five million, two hundred forty thousand, five hundred four".