554754638 has 4 divisors (see below), whose sum is σ = 832131960. Its totient is φ = 277377318.

The previous prime is 554754637. The next prime is 554754643. The reversal of 554754638 is 836457455.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×554754638² = 615505416765022088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 554754592 and 554754601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554754637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138688658 + ... + 138688661.

It is an arithmetic number, because the mean of its divisors is an integer number (208032990).

Almost surely, 2^554754638 is an apocalyptic number.

554754638 is a deficient number, since it is larger than the sum of its proper divisors (277377322).

554754638 is a wasteful number, since it uses less digits than its factorization.

554754638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277377321.

The product of its digits is 2016000, while the sum is 47.

The square root of 554754638 is about 23553.2298846676. The cubic root of 554754638 is about 821.6754549423.

The spelling of 554754638 in words is "five hundred fifty-four million, seven hundred fifty-four thousand, six hundred thirty-eight".