54042105 has 32 divisors (see below), whose sum is σ = 93494016. Its totient is φ = 26498304.

The previous prime is 54042097. The next prime is 54042181. The reversal of 54042105 is 50124045.

It is not a de Polignac number, because 54042105 - 2³ = 54042097 is a prime.

It is a super-2 number, since 2×54042105² = 5841098225662050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72364 + ... + 73106.

It is an arithmetic number, because the mean of its divisors is an integer number (2921688).

Almost surely, 2^54042105 is an apocalyptic number.

It is an amenable number.

54042105 is a deficient number, since it is larger than the sum of its proper divisors (39451911).

54042105 is a wasteful number, since it uses less digits than its factorization.

54042105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 54042105 is about 7351.3335524924. Note that the first 3 decimals coincide. The cubic root of 54042105 is about 378.0745282906.

The spelling of 54042105 in words is "fifty-four million, forty-two thousand, one hundred five".