54820249 has 4 divisors (see below), whose sum is σ = 59803920. Its totient is φ = 49836580.

The previous prime is 54820217. The next prime is 54820253. The reversal of 54820249 is 94202845.

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 54820249 - 2⁵ = 54820217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54820289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2491819 + ... + 2491840.

It is an arithmetic number, because the mean of its divisors is an integer number (14950980).

Almost surely, 2^54820249 is an apocalyptic number.

It is an amenable number.

54820249 is a deficient number, since it is larger than the sum of its proper divisors (4983671).

54820249 is a wasteful number, since it uses less digits than its factorization.

54820249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983670.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 54820249 is about 7404.0697592608. The cubic root of 54820249 is about 379.8805002823.

The spelling of 54820249 in words is "fifty-four million, eight hundred twenty thousand, two hundred forty-nine".