54857249 has 8 divisors (see below), whose sum is σ = 58226688. Its totient is φ = 51503680.

The previous prime is 54857219. The next prime is 54857251. The reversal of 54857249 is 94275845.

It is a happy number.

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 54857249 - 2²⁰ = 53808673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54857219) 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, 3584 + ... + 11070.

It is an arithmetic number, because the mean of its divisors is an integer number (7278336).

Almost surely, 2^54857249 is an apocalyptic number.

It is an amenable number.

54857249 is a deficient number, since it is larger than the sum of its proper divisors (3369439).

54857249 is a wasteful number, since it uses less digits than its factorization.

54857249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935.

The product of its digits is 403200, while the sum is 44.

The square root of 54857249 is about 7406.5679636388. The cubic root of 54857249 is about 379.9659457017.

The spelling of 54857249 in words is "fifty-four million, eight hundred fifty-seven thousand, two hundred forty-nine".