54508642 has 4 divisors (see below), whose sum is σ = 81762966. Its totient is φ = 27254320.

The previous prime is 54508631. The next prime is 54508651. The reversal of 54508642 is 24680545.

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

It can be written as a sum of positive squares in only one way, i.e., 50424201 + 4084441 = 7101^2 + 2021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54508598 and 54508607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13627159 + ... + 13627162.

Almost surely, 2^54508642 is an apocalyptic number.

54508642 is a deficient number, since it is larger than the sum of its proper divisors (27254324).

54508642 is a wasteful number, since it uses less digits than its factorization.

54508642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27254323.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 54508642 is about 7382.9968170114. The cubic root of 54508642 is about 379.1593651749.

The spelling of 54508642 in words is "fifty-four million, five hundred eight thousand, six hundred forty-two".