54065255988 has 36 divisors (see below), whose sum is σ = 130652369120. Its totient is φ = 17400309024.

The previous prime is 54065255987. The next prime is 54065256023. The reversal of 54065255988 is 88955256045.

It is a happy number.

It is a super-2 number, since 2×54065255988² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54065255987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2668528 + ... + 2688711.

Almost surely, 2^54065255988 is an apocalyptic number.

54065255988 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

54065255988 is an abundant number, since it is smaller than the sum of its proper divisors (76587113132).

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

54065255988 is a wasteful number, since it uses less digits than its factorization.

54065255988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357304 (or 5357273 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 57.

Adding to 54065255988 its sum of digits (57), we get a palindrome (54065256045).

The spelling of 54065255988 in words is "fifty-four billion, sixty-five million, two hundred fifty-five thousand, nine hundred eighty-eight".