54215797 has 8 divisors (see below), whose sum is σ = 57922400. Its totient is φ = 50594544.

The previous prime is 54215783. The next prime is 54215929. The reversal of 54215797 is 79751245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54215797 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 (54215717) 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, 20022 + ... + 22567.

It is an arithmetic number, because the mean of its divisors is an integer number (7240300).

Almost surely, 2^54215797 is an apocalyptic number.

It is an amenable number.

54215797 is a deficient number, since it is larger than the sum of its proper divisors (3706603).

54215797 is a wasteful number, since it uses less digits than its factorization.

54215797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42675.

The product of its digits is 88200, while the sum is 40.

The square root of 54215797 is about 7363.1377143172. The cubic root of 54215797 is about 378.4791405411.

The spelling of 54215797 in words is "fifty-four million, two hundred fifteen thousand, seven hundred ninety-seven".