54121607627 has 4 divisors (see below), whose sum is σ = 54122220240. Its totient is φ = 54120995016.

The previous prime is 54121607581. The next prime is 54121607653. The reversal of 54121607627 is 72670612145.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54121607627 - 2²² = 54117413323 is a prime.

It is a super-2 number, since 2×54121607627² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54121600627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145727 + ... + 359832.

It is an arithmetic number, because the mean of its divisors is an integer number (13530555060).

Almost surely, 2^54121607627 is an apocalyptic number.

54121607627 is a deficient number, since it is larger than the sum of its proper divisors (612613).

54121607627 is a wasteful number, since it uses less digits than its factorization.

54121607627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612612.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 54121607627 in words is "fifty-four billion, one hundred twenty-one million, six hundred seven thousand, six hundred twenty-seven".