54120031663 has 8 divisors (see below), whose sum is σ = 56063254016. Its totient is φ = 52189147800.

The previous prime is 54120031631. The next prime is 54120031751. The reversal of 54120031663 is 36613002145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54120031663 - 2⁵ = 54120031631 is a prime.

It is a super-4 number, since 4×54120031663⁴ (a number of 44 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54120031463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3075693 + ... + 3093238.

It is an arithmetic number, because the mean of its divisors is an integer number (7007906752).

Almost surely, 2^54120031663 is an apocalyptic number.

54120031663 is a deficient number, since it is larger than the sum of its proper divisors (1943222353).

54120031663 is a wasteful number, since it uses less digits than its factorization.

54120031663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169245.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 54120031663 in words is "fifty-four billion, one hundred twenty million, thirty-one thousand, six hundred sixty-three".