554999997 has 4 divisors (see below), whose sum is σ = 740000000. Its totient is φ = 369999996.

The previous prime is 554999989. The next prime is 555000007. The reversal of 554999997 is 799999455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 554999997 - 2³ = 554999989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554999917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92499997 + ... + 92500002.

It is an arithmetic number, because the mean of its divisors is an integer number (185000000).

Almost surely, 2^554999997 is an apocalyptic number.

It is an amenable number.

554999997 is a deficient number, since it is larger than the sum of its proper divisors (185000003).

554999997 is a wasteful number, since it uses less digits than its factorization.

554999997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185000002.

The product of its digits is 41334300, while the sum is 66.

The square root of 554999997 is about 23558.4379151080. The cubic root of 554999997 is about 821.7965750070.

The spelling of 554999997 in words is "five hundred fifty-four million, nine hundred ninety-nine thousand, nine hundred ninety-seven".