55211258767 has 16 divisors (see below), whose sum is σ = 64893337600. Its totient is φ = 46951269624.

The previous prime is 55211258743. The next prime is 55211258801. The reversal of 55211258767 is 76785211255.

It is not a de Polignac number, because 55211258767 - 2¹⁵ = 55211225999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 55211258767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55211253767) 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, 590163 + ... + 677284.

It is an arithmetic number, because the mean of its divisors is an integer number (4055833600).

Almost surely, 2^55211258767 is an apocalyptic number.

55211258767 is a deficient number, since it is larger than the sum of its proper divisors (9682078833).

55211258767 is a wasteful number, since it uses less digits than its factorization.

55211258767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267595 (or 1267581 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 49.

The spelling of 55211258767 in words is "fifty-five billion, two hundred eleven million, two hundred fifty-eight thousand, seven hundred sixty-seven".