55211679 has 32 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 35152992.

The previous prime is 55211657. The next prime is 55211693. The reversal of 55211679 is 97611255.

It is not a de Polignac number, because 55211679 - 2⁸ = 55211423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55211609) 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, 83452 + ... + 84110.

It is an arithmetic number, because the mean of its divisors is an integer number (2673000).

Almost surely, 2^55211679 is an apocalyptic number.

55211679 is a deficient number, since it is larger than the sum of its proper divisors (30324321).

55211679 is a wasteful number, since it uses less digits than its factorization.

55211679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 798 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 55211679 is about 7430.4561771132. The cubic root of 55211679 is about 380.7825034294.

The spelling of 55211679 in words is "fifty-five million, two hundred eleven thousand, six hundred seventy-nine".