55120767 has 32 divisors (see below), whose sum is σ = 84537600. Its totient is φ = 31663872.

The previous prime is 55120753. The next prime is 55120777. The reversal of 55120767 is 76702155.

It is not a de Polignac number, because 55120767 - 2¹⁴ = 55104383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55120777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53584 + ... + 54602.

It is an arithmetic number, because the mean of its divisors is an integer number (2641800).

Almost surely, 2^55120767 is an apocalyptic number.

55120767 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

55120767 is a deficient number, since it is larger than the sum of its proper divisors (29416833).

55120767 is a wasteful number, since it uses less digits than its factorization.

55120767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 55120767 is about 7424.3361319380. The cubic root of 55120767 is about 380.5733887543.

The spelling of 55120767 in words is "fifty-five million, one hundred twenty thousand, seven hundred sixty-seven".