55756078 has 16 divisors (see below), whose sum is σ = 95726304. Its totient is φ = 23859360.

The previous prime is 55756049. The next prime is 55756081. The reversal of 55756078 is 87065755.

55756078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7968 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (5982894).

Almost surely, 2^55756078 is an apocalyptic number.

55756078 is a deficient number, since it is larger than the sum of its proper divisors (39970226).

55756078 is a wasteful number, since it uses less digits than its factorization.

55756078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027.

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 55756078 is about 7466.9992634257. Note that the first 3 decimals coincide. The cubic root of 55756078 is about 382.0299447483.

The spelling of 55756078 in words is "fifty-five million, seven hundred fifty-six thousand, seventy-eight".