55164811 has 12 divisors (see below), whose sum is σ = 60082560. Its totient is φ = 50625120.

The previous prime is 55164797. The next prime is 55164821. The reversal of 55164811 is 11846155.

It is not a de Polignac number, because 55164811 - 2¹⁷ = 55033739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55164821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31425 + ... + 33133.

It is an arithmetic number, because the mean of its divisors is an integer number (5006880).

Almost surely, 2^55164811 is an apocalyptic number.

55164811 is a deficient number, since it is larger than the sum of its proper divisors (4917749).

55164811 is a wasteful number, since it uses less digits than its factorization.

55164811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1913 counting only the distinct ones).

The product of its digits is 4800, while the sum is 31.

The square root of 55164811 is about 7427.3017307768. The cubic root of 55164811 is about 380.6747269172.

The spelling of 55164811 in words is "fifty-five million, one hundred sixty-four thousand, eight hundred eleven".