54603987 has 4 divisors (see below), whose sum is σ = 72805320. Its totient is φ = 36402656.

The previous prime is 54603979. The next prime is 54604021. The reversal of 54603987 is 78930645.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 54603987 - 2³ = 54603979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54603907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9100662 + ... + 9100667.

It is an arithmetic number, because the mean of its divisors is an integer number (18201330).

Almost surely, 2^54603987 is an apocalyptic number.

54603987 is a deficient number, since it is larger than the sum of its proper divisors (18201333).

54603987 is a wasteful number, since it uses less digits than its factorization.

54603987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18201332.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 54603987 is about 7389.4510621561. The cubic root of 54603987 is about 379.3803080733.

The spelling of 54603987 in words is "fifty-four million, six hundred three thousand, nine hundred eighty-seven".