54087142 has 4 divisors (see below), whose sum is σ = 81130716. Its totient is φ = 27043570.

The previous prime is 54087139. The next prime is 54087151. The reversal of 54087142 is 24178045.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13521784 + ... + 13521787.

It is an arithmetic number, because the mean of its divisors is an integer number (20282679).

Almost surely, 2^54087142 is an apocalyptic number.

54087142 is a deficient number, since it is larger than the sum of its proper divisors (27043574).

54087142 is a wasteful number, since it uses less digits than its factorization.

54087142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27043573.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 54087142 is about 7354.3961002927. The cubic root of 54087142 is about 378.1795242914.

The spelling of 54087142 in words is "fifty-four million, eighty-seven thousand, one hundred forty-two".