55374205977 has 12 divisors (see below), whose sum is σ = 79997828820. Its totient is φ = 36910199808.

The previous prime is 55374205969. The next prime is 55374206033. The reversal of 55374205977 is 77950247355.

55374205977 is a `hidden beast` number, since 5 + 5 + 3 + 7 + 42 + 0 + 597 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37154875536 + 18219330441 = 192756^2 + 134979^2 .

It is not a de Polignac number, because 55374205977 - 2³ = 55374205969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55374205907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435352 + ... + 547977.

It is an arithmetic number, because the mean of its divisors is an integer number (6666485735).

Almost surely, 2^55374205977 is an apocalyptic number.

It is an amenable number.

55374205977 is a deficient number, since it is larger than the sum of its proper divisors (24623622843).

55374205977 is a wasteful number, since it uses less digits than its factorization.

55374205977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989592 (or 989589 counting only the distinct ones).

The product of its (nonzero) digits is 9261000, while the sum is 54.

The spelling of 55374205977 in words is "fifty-five billion, three hundred seventy-four million, two hundred five thousand, nine hundred seventy-seven".