54399063040 has 264 divisors, whose sum is σ = 157054601160. Its totient is φ = 18005557248.

The previous prime is 54399062989. The next prime is 54399063041. The reversal of 54399063040 is 4036099345.

It can be written as a sum of positive squares in 4 ways, for example, as 18487297024 + 35911766016 = 135968^2 + 189504^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54399063041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7271782 + ... + 7279258.

Almost surely, 2^54399063040 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 54399063040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78527300580).

54399063040 is an abundant number, since it is smaller than the sum of its proper divisors (102655538120).

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

54399063040 is a wasteful number, since it uses less digits than its factorization.

54399063040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545 (or 7520 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 54399063040 in words is "fifty-four billion, three hundred ninety-nine million, sixty-three thousand, forty".