55077806 has 16 divisors (see below), whose sum is σ = 94562016. Its totient is φ = 23569056.

The previous prime is 55077791. The next prime is 55077817. The reversal of 55077806 is 60877055.

It is a self number, because there is not a number n which added to its sum of digits gives 55077806.

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, 8000 + ... + 13196.

It is an arithmetic number, because the mean of its divisors is an integer number (5910126).

Almost surely, 2^55077806 is an apocalyptic number.

55077806 is a deficient number, since it is larger than the sum of its proper divisors (39484210).

55077806 is a wasteful number, since it uses less digits than its factorization.

55077806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 55077806 is about 7421.4423126506. The cubic root of 55077806 is about 380.4744903793.

The spelling of 55077806 in words is "fifty-five million, seventy-seven thousand, eight hundred six".