55426078 has 16 divisors (see below), whose sum is σ = 90339840. Its totient is φ = 25407000.

The previous prime is 55426057. The next prime is 55426093. The reversal of 55426078 is 87062455.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22348 + ... + 24703.

It is an arithmetic number, because the mean of its divisors is an integer number (5646240).

Almost surely, 2^55426078 is an apocalyptic number.

55426078 is a deficient number, since it is larger than the sum of its proper divisors (34913762).

55426078 is a wasteful number, since it uses less digits than its factorization.

55426078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47103.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 55426078 is about 7444.8692399531. The cubic root of 55426078 is about 381.2747539961.

The spelling of 55426078 in words is "fifty-five million, four hundred twenty-six thousand, seventy-eight".