55077756782 has 16 divisors (see below), whose sum is σ = 87512849712. Its totient is φ = 25908155520.

The previous prime is 55077756781. The next prime is 55077756821. The reversal of 55077756782 is 28765777055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55077756781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253973 + ... + 417920.

It is an arithmetic number, because the mean of its divisors is an integer number (5469553107).

Almost surely, 2^55077756782 is an apocalyptic number.

55077756782 is a deficient number, since it is larger than the sum of its proper divisors (32435092930).

55077756782 is a wasteful number, since it uses less digits than its factorization.

55077756782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674323.

The product of its (nonzero) digits is 28812000, while the sum is 59.

The spelling of 55077756782 in words is "fifty-five billion, seventy-seven million, seven hundred fifty-six thousand, seven hundred eighty-two".