54106031655321 has 32 divisors (see below), whose sum is σ = 76175136860160. Its totient is φ = 34092655622784.

The previous prime is 54106031655253. The next prime is 54106031655421. The reversal of 54106031655321 is 12355613060145.

It is a happy number.

It is not a de Polignac number, because 54106031655321 - 2⁹ = 54106031654809 is a prime.

It is a super-2 number, since 2×54106031655321² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54106031655421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5081491 + ... + 11577288.

It is an arithmetic number, because the mean of its divisors is an integer number (2380473026880).

Almost surely, 2^{54106031655321} is an apocalyptic number.

It is an amenable number.

54106031655321 is a deficient number, since it is larger than the sum of its proper divisors (22069105204839).

54106031655321 is a wasteful number, since it uses less digits than its factorization.

54106031655321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16659365.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 54106031655321 in words is "fifty-four trillion, one hundred six billion, thirty-one million, six hundred fifty-five thousand, three hundred twenty-one".