54889697 has 8 divisors (see below), whose sum is σ = 55390440. Its totient is φ = 54391680.

The previous prime is 54889669. The next prime is 54889699. The reversal of 54889697 is 79698845.

It can be written as a sum of positive squares in 4 ways, for example, as 11316496 + 43573201 = 3364^2 + 6601^2 .

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 54889697 - 2⁶ = 54889633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54889699) 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, 63923 + ... + 64775.

It is an arithmetic number, because the mean of its divisors is an integer number (6923805).

Almost surely, 2^54889697 is an apocalyptic number.

It is an amenable number.

54889697 is a deficient number, since it is larger than the sum of its proper divisors (500743).

54889697 is a wasteful number, since it uses less digits than its factorization.

54889697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its digits is 4354560, while the sum is 56.

The square root of 54889697 is about 7408.7581280536. The cubic root of 54889697 is about 380.0408474096.

The spelling of 54889697 in words is "fifty-four million, eight hundred eighty-nine thousand, six hundred ninety-seven".