55930449 has 8 divisors (see below), whose sum is σ = 74626720. Its totient is φ = 37260576.

The previous prime is 55930429. The next prime is 55930481. The reversal of 55930449 is 94403955.

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

It is not a de Polignac number, because 55930449 - 2¹⁷ = 55799377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55930429) 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, 967 + ... + 10620.

It is an arithmetic number, because the mean of its divisors is an integer number (9328340).

Almost surely, 2^55930449 is an apocalyptic number.

It is an amenable number.

55930449 is a deficient number, since it is larger than the sum of its proper divisors (18696271).

55930449 is a wasteful number, since it uses less digits than its factorization.

55930449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 55930449 is about 7478.6662580971. Note that the first 3 decimals coincide. The cubic root of 55930449 is about 382.4277825127.

The spelling of 55930449 in words is "fifty-five million, nine hundred thirty thousand, four hundred forty-nine".