551057498 has 4 divisors (see below), whose sum is σ = 826586250. Its totient is φ = 275528748.

The previous prime is 551057491. The next prime is 551057527. The reversal of 551057498 is 894750155.

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

It can be written as a sum of positive squares in only one way, i.e., 355812769 + 195244729 = 18863^2 + 13973^2 .

It is a super-2 number, since 2×551057498² = 607328732204040008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551057491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137764373 + ... + 137764376.

Almost surely, 2^551057498 is an apocalyptic number.

551057498 is a deficient number, since it is larger than the sum of its proper divisors (275528752).

551057498 is a wasteful number, since it uses less digits than its factorization.

551057498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275528751.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 551057498 is about 23474.6139052381. The cubic root of 551057498 is about 819.8460438705.

The spelling of 551057498 in words is "five hundred fifty-one million, fifty-seven thousand, four hundred ninety-eight".