54203987 has 8 divisors (see below), whose sum is σ = 56234640. Its totient is φ = 52184160.

The previous prime is 54203921. The next prime is 54203999. The reversal of 54203987 is 78930245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54203987 - 2¹⁴ = 54187603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54203987.

It is not an unprimeable number, because it can be changed into a prime (54203917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8312 + ... + 13322.

It is an arithmetic number, because the mean of its divisors is an integer number (7029330).

Almost surely, 2^54203987 is an apocalyptic number.

54203987 is a deficient number, since it is larger than the sum of its proper divisors (2030653).

54203987 is a wasteful number, since it uses less digits than its factorization.

54203987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 54203987 is about 7362.3357027509. The cubic root of 54203987 is about 378.4516567725.

The spelling of 54203987 in words is "fifty-four million, two hundred three thousand, nine hundred eighty-seven".