54373947840 has 224 divisors, whose sum is σ = 203103236160. Its totient is φ = 13646757888.

The previous prime is 54373947833. The next prime is 54373947853. The reversal of 54373947840 is 4874937345.

54373947840 is a `hidden beast` number, since 543 + 7 + 3 + 94 + 7 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38217 + ... + 331976.

Almost surely, 2^54373947840 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 54373947840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101551618080).

54373947840 is an abundant number, since it is smaller than the sum of its proper divisors (148729288320).

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

54373947840 is a wasteful number, since it uses less digits than its factorization.

54373947840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370236 (or 370220 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 54373947840 in words is "fifty-four billion, three hundred seventy-three million, nine hundred forty-seven thousand, eight hundred forty".