55474797 has 8 divisors (see below), whose sum is σ = 84533056. Its totient is φ = 31699872.

The previous prime is 55474789. The next prime is 55474799. The reversal of 55474797 is 79747455.

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 55474797 - 2³ = 55474789 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55474799) 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, 1320808 + ... + 1320849.

It is an arithmetic number, because the mean of its divisors is an integer number (10566632).

Almost surely, 2^55474797 is an apocalyptic number.

It is an amenable number.

55474797 is a deficient number, since it is larger than the sum of its proper divisors (29058259).

55474797 is a wasteful number, since it uses less digits than its factorization.

55474797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641667.

The product of its digits is 1234800, while the sum is 48.

The square root of 55474797 is about 7448.1405061935. The cubic root of 55474797 is about 381.3864335854.

The spelling of 55474797 in words is "fifty-five million, four hundred seventy-four thousand, seven hundred ninety-seven".