55997349 has 8 divisors (see below), whose sum is σ = 76484352. Its totient is φ = 36420960.

The previous prime is 55997339. The next prime is 55997363. The reversal of 55997349 is 94379955.

It is a happy number.

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

It is not a de Polignac number, because 55997349 - 2⁸ = 55997093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55997339) 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, 227509 + ... + 227754.

It is an arithmetic number, because the mean of its divisors is an integer number (9560544).

Almost surely, 2^55997349 is an apocalyptic number.

It is an amenable number.

55997349 is a deficient number, since it is larger than the sum of its proper divisors (20487003).

55997349 is a wasteful number, since it uses less digits than its factorization.

55997349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455307.

The product of its digits is 1530900, while the sum is 51.

The square root of 55997349 is about 7483.1376440635. The cubic root of 55997349 is about 382.5801993395.

The spelling of 55997349 in words is "fifty-five million, nine hundred ninety-seven thousand, three hundred forty-nine".