499981054 has 16 divisors (see below), whose sum is σ = 781426800. Its totient is φ = 239629824.

The previous prime is 499981049. The next prime is 499981063. The reversal of 499981054 is 450189994.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 499980989 and 499981007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22947 + ... + 39070.

It is an arithmetic number, because the mean of its divisors is an integer number (48839175).

Almost surely, 2^499981054 is an apocalyptic number.

499981054 is a deficient number, since it is larger than the sum of its proper divisors (281445746).

499981054 is a wasteful number, since it uses less digits than its factorization.

499981054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62187.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 499981054 is about 22360.2561255456. The cubic root of 499981054 is about 793.6905008907.

The spelling of 499981054 in words is "four hundred ninety-nine million, nine hundred eighty-one thousand, fifty-four".