54670389 has 4 divisors (see below), whose sum is σ = 72893856. Its totient is φ = 36446924.

The previous prime is 54670387. The next prime is 54670393. The reversal of 54670389 is 98307645.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54670389 - 2¹ = 54670387 is a prime.

It is a super-2 number, since 2×54670389² = 5977702866822642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54670389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54670387) 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, 9111729 + ... + 9111734.

It is an arithmetic number, because the mean of its divisors is an integer number (18223464).

Almost surely, 2^54670389 is an apocalyptic number.

It is an amenable number.

54670389 is a deficient number, since it is larger than the sum of its proper divisors (18223467).

54670389 is a wasteful number, since it uses less digits than its factorization.

54670389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18223466.

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

The square root of 54670389 is about 7393.9427236083. The cubic root of 54670389 is about 379.5340294891.

The spelling of 54670389 in words is "fifty-four million, six hundred seventy thousand, three hundred eighty-nine".