54571997 has 8 divisors (see below), whose sum is σ = 58275840. Its totient is φ = 50989680.

The previous prime is 54571987. The next prime is 54572039. The reversal of 54571997 is 79917545.

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 54571997 - 2⁴ = 54571981 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 (54571967) 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, 29453 + ... + 31250.

It is an arithmetic number, because the mean of its divisors is an integer number (7284480).

Almost surely, 2^54571997 is an apocalyptic number.

It is an amenable number.

54571997 is a deficient number, since it is larger than the sum of its proper divisors (3703843).

54571997 is a wasteful number, since it uses less digits than its factorization.

54571997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60763.

The product of its digits is 396900, while the sum is 47.

The square root of 54571997 is about 7387.2861728784. The cubic root of 54571997 is about 379.3062063606.

The spelling of 54571997 in words is "fifty-four million, five hundred seventy-one thousand, nine hundred ninety-seven".