54342542 has 4 divisors (see below), whose sum is σ = 81513816. Its totient is φ = 27171270.

The previous prime is 54342539. The next prime is 54342581. The reversal of 54342542 is 24524345.

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

It is a super-2 number, since 2×54342542² = 5906223742043528, which contains 22 as substring.

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, 13585634 + ... + 13585637.

It is an arithmetic number, because the mean of its divisors is an integer number (20378454).

Almost surely, 2^54342542 is an apocalyptic number.

54342542 is a deficient number, since it is larger than the sum of its proper divisors (27171274).

54342542 is a wasteful number, since it uses less digits than its factorization.

54342542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27171273.

The product of its digits is 19200, while the sum is 29.

The square root of 54342542 is about 7371.7394148193. The cubic root of 54342542 is about 378.7738455798.

Adding to 54342542 its reverse (24524345), we get a palindrome (78866887).

The spelling of 54342542 in words is "fifty-four million, three hundred forty-two thousand, five hundred forty-two".