55174222377 has 12 divisors (see below), whose sum is σ = 79894847604. Its totient is φ = 36691084800.

The previous prime is 55174222373. The next prime is 55174222391. The reversal of 55174222377 is 77322247155.

55174222377 is a `hidden beast` number, since 5 + 51 + 7 + 4 + 222 + 377 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51796752921 + 3377469456 = 227589^2 + 58116^2 .

It is not a de Polignac number, because 55174222377 - 2² = 55174222373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55174222373) 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, 7640368 + ... + 7647585.

It is an arithmetic number, because the mean of its divisors is an integer number (6657903967).

Almost surely, 2^55174222377 is an apocalyptic number.

It is an amenable number.

55174222377 is a deficient number, since it is larger than the sum of its proper divisors (24720625227).

55174222377 is a wasteful number, since it uses less digits than its factorization.

55174222377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15288360 (or 15288357 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The spelling of 55174222377 in words is "fifty-five billion, one hundred seventy-four million, two hundred twenty-two thousand, three hundred seventy-seven".