54407780812 has 48 divisors (see below), whose sum is σ = 120379875840. Its totient is φ = 20899267200.

The previous prime is 54407780789. The next prime is 54407780887. The reversal of 54407780812 is 21808770445.

It is a super-2 number, since 2×54407780812² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222137 + ... + 1265872.

It is an arithmetic number, because the mean of its divisors is an integer number (2507914080).

Almost surely, 2^54407780812 is an apocalyptic number.

It is an amenable number.

54407780812 is an abundant number, since it is smaller than the sum of its proper divisors (65972095028).

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

54407780812 is a wasteful number, since it uses less digits than its factorization.

54407780812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488102 (or 2488100 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 54407780812 in words is "fifty-four billion, four hundred seven million, seven hundred eighty thousand, eight hundred twelve".