55074997 has 8 divisors (see below), whose sum is σ = 56034720. Its totient is φ = 54123600.

The previous prime is 55074991. The next prime is 55075001. The reversal of 55074997 is 79947055.

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 55074997 - 2⁷ = 55074869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55074991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12078 + ... + 16000.

It is an arithmetic number, because the mean of its divisors is an integer number (7004340).

Almost surely, 2^55074997 is an apocalyptic number.

It is an amenable number.

55074997 is a deficient number, since it is larger than the sum of its proper divisors (959723).

55074997 is a wasteful number, since it uses less digits than its factorization.

55074997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 55074997 is about 7421.2530613098. The cubic root of 55074997 is about 380.4680221295.

The spelling of 55074997 in words is "fifty-five million, seventy-four thousand, nine hundred ninety-seven".