55214250720767 has 16 divisors (see below), whose sum is σ = 55577874097152. Its totient is φ = 54851907108960.

The previous prime is 55214250720721. The next prime is 55214250720773. The reversal of 55214250720767 is 76702705241255.

It is a cyclic number.

It is not a de Polignac number, because 55214250720767 - 2³⁸ = 54939372813823 is a prime.

It is a super-2 number, since 2×55214250720767² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55214250720367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253461788 + ... + 253679534.

It is an arithmetic number, because the mean of its divisors is an integer number (3473617131072).

Almost surely, 2^{55214250720767} is an apocalyptic number.

55214250720767 is a deficient number, since it is larger than the sum of its proper divisors (363623376385).

55214250720767 is a wasteful number, since it uses less digits than its factorization.

55214250720767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220678.

The product of its (nonzero) digits is 8232000, while the sum is 53.

The spelling of 55214250720767 in words is "fifty-five trillion, two hundred fourteen billion, two hundred fifty million, seven hundred twenty thousand, seven hundred sixty-seven".