554494951 has 4 divisors (see below), whose sum is σ = 554544904. Its totient is φ = 554445000.

The previous prime is 554494939. The next prime is 554494961. The reversal of 554494951 is 159494455.

554494951 is a nontrivial binomial coefficient, being equal to C(33302, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(554494951) divides (554494951-1)³.

It is a cyclic number.

It is not a de Polignac number, because 554494951 - 2¹⁷ = 554363879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554494901) 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, 1 + ... + 33301.

It is an arithmetic number, because the mean of its divisors is an integer number (138636226).

Almost surely, 2^554494951 is an apocalyptic number.

554494951 is the 33301-st triangular number and also the 16651-st hexagonal number.

554494951 is the 11101-st centered nonagonal number.

554494951 is a deficient number, since it is larger than the sum of its proper divisors (49953).

554494951 is a wasteful number, since it uses less digits than its factorization.

554494951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49952.

The product of its digits is 648000, while the sum is 46.

The square root of 554494951 is about 23547.7164710296. The cubic root of 554494951 is about 821.5472230340.

The spelling of 554494951 in words is "five hundred fifty-four million, four hundred ninety-four thousand, nine hundred fifty-one".