54713987 has 4 divisors (see below), whose sum is σ = 57092880. Its totient is φ = 52335096.

The previous prime is 54713983. The next prime is 54713999. The reversal of 54713987 is 78931745.

54713987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54713987 - 2² = 54713983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54713983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189412 + ... + 1189457.

It is an arithmetic number, because the mean of its divisors is an integer number (14273220).

Almost surely, 2^54713987 is an apocalyptic number.

54713987 is a deficient number, since it is larger than the sum of its proper divisors (2378893).

54713987 is a wasteful number, since it uses less digits than its factorization.

54713987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378892.

The product of its digits is 211680, while the sum is 44.

The square root of 54713987 is about 7396.8903601446. The cubic root of 54713987 is about 379.6348916944.

The spelling of 54713987 in words is "fifty-four million, seven hundred thirteen thousand, nine hundred eighty-seven".