54371789 has 4 divisors (see below), whose sum is σ = 54386556. Its totient is φ = 54357024.

The previous prime is 54371771. The next prime is 54371813. The reversal of 54371789 is 98717345.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 51337225 + 3034564 = 7165^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 54371789 - 2¹⁶ = 54306253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54371089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3137 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (13596639).

Almost surely, 2^54371789 is an apocalyptic number.

It is an amenable number.

54371789 is a deficient number, since it is larger than the sum of its proper divisors (14767).

54371789 is an equidigital number, since it uses as much as digits as its factorization.

54371789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14766.

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

The square root of 54371789 is about 7373.7228724709. The cubic root of 54371789 is about 378.8417850581.

The spelling of 54371789 in words is "fifty-four million, three hundred seventy-one thousand, seven hundred eighty-nine".