546139953 has 12 divisors (see below), whose sum is σ = 805653888. Its totient is φ = 356346360.

The previous prime is 546139939. The next prime is 546139969. The reversal of 546139953 is 359931645.

546139953 is a `hidden beast` number, since 546 + 13 + 9 + 95 + 3 = 666.

It is not a de Polignac number, because 546139953 - 2⁶ = 546139889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546139899 and 546139908.

It is not an unprimeable number, because it can be changed into a prime (546139903) 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, 645133 + ... + 645978.

It is an arithmetic number, because the mean of its divisors is an integer number (67137824).

Almost surely, 2^546139953 is an apocalyptic number.

It is an amenable number.

546139953 is a deficient number, since it is larger than the sum of its proper divisors (259513935).

546139953 is a wasteful number, since it uses less digits than its factorization.

546139953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291164 (or 1291161 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 546139953 is about 23369.6374169562. The cubic root of 546139953 is about 817.4000304206.

The spelling of 546139953 in words is "five hundred forty-six million, one hundred thirty-nine thousand, nine hundred fifty-three".