55134771 has 16 divisors (see below), whose sum is σ = 78504960. Its totient is φ = 34342560.

The previous prime is 55134721. The next prime is 55134799. The reversal of 55134771 is 17743155.

It is not a de Polignac number, because 55134771 - 2⁹ = 55134259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55134701) 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, 7525 + ... + 12918.

It is an arithmetic number, because the mean of its divisors is an integer number (4906560).

Almost surely, 2^55134771 is an apocalyptic number.

55134771 is a deficient number, since it is larger than the sum of its proper divisors (23370189).

55134771 is a wasteful number, since it uses less digits than its factorization.

55134771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20506.

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

The square root of 55134771 is about 7425.2791866704. The cubic root of 55134771 is about 380.6056155583.

The spelling of 55134771 in words is "fifty-five million, one hundred thirty-four thousand, seven hundred seventy-one".