55424774 has 8 divisors (see below), whose sum is σ = 83504088. Its totient is φ = 27590080.

The previous prime is 55424753. The next prime is 55424813. The reversal of 55424774 is 47742455.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60587 + ... + 61494.

It is an arithmetic number, because the mean of its divisors is an integer number (10438011).

Almost surely, 2^55424774 is an apocalyptic number.

55424774 is a deficient number, since it is larger than the sum of its proper divisors (28079314).

55424774 is a wasteful number, since it uses less digits than its factorization.

55424774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122310.

The product of its digits is 156800, while the sum is 38.

The square root of 55424774 is about 7444.7816623458. The cubic root of 55424774 is about 381.2717639103.

The spelling of 55424774 in words is "fifty-five million, four hundred twenty-four thousand, seven hundred seventy-four".