55377854643267 has 48 divisors (see below), whose sum is σ = 90855338464800. Its totient is φ = 32221635978240.

The previous prime is 55377854643247. The next prime is 55377854643301. The reversal of 55377854643267 is 76234645877355.

55377854643267 is a `hidden beast` number, since 5 + 5 + 3 + 7 + 78 + 5 + 464 + 32 + 67 = 666.

It is not a de Polignac number, because 55377854643267 - 2⁸ = 55377854643011 is a prime.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55377854643195 and 55377854643204.

It is not an unprimeable number, because it can be changed into a prime (55377854643247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23339334 + ... + 25602347.

It is an arithmetic number, because the mean of its divisors is an integer number (1892819551350).

Almost surely, 2^{55377854643267} is an apocalyptic number.

55377854643267 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

55377854643267 is a deficient number, since it is larger than the sum of its proper divisors (35477483821533).

55377854643267 is a wasteful number, since it uses less digits than its factorization.

55377854643267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48942228 (or 48942225 counting only the distinct ones).

The product of its digits is 3556224000, while the sum is 72.

The spelling of 55377854643267 in words is "fifty-five trillion, three hundred seventy-seven billion, eight hundred fifty-four million, six hundred forty-three thousand, two hundred sixty-seven".