54120456748840 has 48 divisors (see below), whose sum is σ = 123799999730940. Its totient is φ = 21293294400000.

The previous prime is 54120456748811. The next prime is 54120456748927. The reversal of 54120456748840 is 4884765402145.

It can be written as a sum of positive squares in 6 ways, for example, as 6111050978916 + 48009405769924 = 2472054^2 + 6928882^2 .

It is a super-2 number, since 2×54120456748840² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181658661 + ... + 181956340.

Almost surely, 2^{54120456748840} is an apocalyptic number.

It is an amenable number.

54120456748840 is an abundant number, since it is smaller than the sum of its proper divisors (69679542982100).

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

54120456748840 is a wasteful number, since it uses less digits than its factorization.

54120456748840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363615134 (or 363615069 counting only the distinct ones).

The product of its (nonzero) digits is 34406400, while the sum is 58.

The spelling of 54120456748840 in words is "fifty-four trillion, one hundred twenty billion, four hundred fifty-six million, seven hundred forty-eight thousand, eight hundred forty".