548494137 has 12 divisors (see below), whose sum is σ = 838873620. Its totient is φ = 344153088.

The previous prime is 548494039. The next prime is 548494157. The reversal of 548494137 is 731494845.

548494137 is a `hidden beast` number, since 548 + 4 + 94 + 13 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 240281001 + 308213136 = 15501^2 + 17556^2 .

It is not a de Polignac number, because 548494137 - 2¹¹ = 548492089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 548494092 and 548494101.

It is not an unprimeable number, because it can be changed into a prime (548494157) 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, 1792312 + ... + 1792617.

It is an arithmetic number, because the mean of its divisors is an integer number (69906135).

Almost surely, 2^548494137 is an apocalyptic number.

It is an amenable number.

548494137 is a deficient number, since it is larger than the sum of its proper divisors (290379483).

548494137 is a wasteful number, since it uses less digits than its factorization.

548494137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584952 (or 3584949 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 548494137 is about 23419.9516865428. The cubic root of 548494137 is about 818.5728382917.

The spelling of 548494137 in words is "five hundred forty-eight million, four hundred ninety-four thousand, one hundred thirty-seven".