54974849 has 4 divisors (see below), whose sum is σ = 54989760. Its totient is φ = 54959940.

The previous prime is 54974837. The next prime is 54974851. The reversal of 54974849 is 94847945.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54974849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54974797 and 54974806.

It is not an unprimeable number, because it can be changed into a prime (54974879) 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, 2564 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (13747440).

Almost surely, 2^54974849 is an apocalyptic number.

It is an amenable number.

54974849 is a deficient number, since it is larger than the sum of its proper divisors (14911).

54974849 is an equidigital number, since it uses as much as digits as its factorization.

54974849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14910.

The product of its digits is 1451520, while the sum is 50.

The square root of 54974849 is about 7414.5026131225. The cubic root of 54974849 is about 380.2372687181.

The spelling of 54974849 in words is "fifty-four million, nine hundred seventy-four thousand, eight hundred forty-nine".