54699469009920 has 3168 divisors, whose sum is σ = 241810084878336. Its totient is φ = 11363195289600.

The previous prime is 54699469009909. The next prime is 54699469009937. The reversal of 54699469009920 is 2990096499645.

54699469009920 is a `hidden beast` number, since 54 + 6 + 9 + 9 + 469 + 0 + 0 + 99 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 98203714282 + ... + 98203714838.

Almost surely, 2^{54699469009920} 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 54699469009920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120905042439168).

54699469009920 is an abundant number, since it is smaller than the sum of its proper divisors (187110615868416).

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

54699469009920 is a wasteful number, since it uses less digits than its factorization.

54699469009920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 340122240, while the sum is 72.

The spelling of 54699469009920 in words is "fifty-four trillion, six hundred ninety-nine billion, four hundred sixty-nine million, nine thousand, nine hundred twenty".