542777049 has 12 divisors (see below), whose sum is σ = 797300400. Its totient is φ = 355717944.

The previous prime is 542777041. The next prime is 542777063. The reversal of 542777049 is 940777245.

It is not a de Polignac number, because 542777049 - 2³ = 542777041 is a prime.

It is a super-2 number, since 2×542777049² = 589213849842296802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542776995 and 542777013.

It is not an unprimeable number, because it can be changed into a prime (542777041) 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, 510559 + ... + 511620.

It is an arithmetic number, because the mean of its divisors is an integer number (66441700).

Almost surely, 2^542777049 is an apocalyptic number.

542777049 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

542777049 is a deficient number, since it is larger than the sum of its proper divisors (254523351).

542777049 is a wasteful number, since it uses less digits than its factorization.

542777049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022244 (or 1022241 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 542777049 is about 23297.5760327121. The cubic root of 542777049 is about 815.7188378581.

The spelling of 542777049 in words is "five hundred forty-two million, seven hundred seventy-seven thousand, forty-nine".