54771137 has 4 divisors (see below), whose sum is σ = 56251476. Its totient is φ = 53290800.

The previous prime is 54771133. The next prime is 54771151. The reversal of 54771137 is 73117745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40056241 + 14714896 = 6329^2 + 3836^2 .

It is a cyclic number.

It is not a de Polignac number, because 54771137 - 2² = 54771133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54771097 and 54771106.

It is not an unprimeable number, because it can be changed into a prime (54771131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740114 + ... + 740187.

It is an arithmetic number, because the mean of its divisors is an integer number (14062869).

Almost surely, 2^54771137 is an apocalyptic number.

It is an amenable number.

54771137 is a deficient number, since it is larger than the sum of its proper divisors (1480339).

54771137 is a wasteful number, since it uses less digits than its factorization.

54771137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480338.

The product of its digits is 20580, while the sum is 35.

The square root of 54771137 is about 7400.7524617433. The cubic root of 54771137 is about 379.7670247838.

The spelling of 54771137 in words is "fifty-four million, seven hundred seventy-one thousand, one hundred thirty-seven".