550401004 has 6 divisors (see below), whose sum is σ = 963201764. Its totient is φ = 275200500.

The previous prime is 550400999. The next prime is 550401031. The reversal of 550401004 is 400104055.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68800122 + ... + 68800129.

Almost surely, 2^550401004 is an apocalyptic number.

It is an amenable number.

550401004 is a deficient number, since it is larger than the sum of its proper divisors (412800760).

550401004 is a wasteful number, since it uses less digits than its factorization.

550401004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137600255 (or 137600253 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 550401004 is about 23460.6266753469. The cubic root of 550401004 is about 819.5203441100.

Adding to 550401004 its reverse (400104055), we get a palindrome (950505059).

The spelling of 550401004 in words is "five hundred fifty million, four hundred one thousand, four".