549277542 has 24 divisors (see below), whose sum is σ = 1298292840. Its totient is φ = 166447680.

The previous prime is 549277541. The next prime is 549277549. The reversal of 549277542 is 245772945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549277541) 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, 1386867 + ... + 1387262.

It is an arithmetic number, because the mean of its divisors is an integer number (54095535).

Almost surely, 2^549277542 is an apocalyptic number.

549277542 is an abundant number, since it is smaller than the sum of its proper divisors (749015298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549277542 is a wasteful number, since it uses less digits than its factorization.

549277542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774148 (or 2774145 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 549277542 is about 23436.6708813347. The cubic root of 549277542 is about 818.9623708599.

The spelling of 549277542 in words is "five hundred forty-nine million, two hundred seventy-seven thousand, five hundred forty-two".