551057492 has 6 divisors (see below), whose sum is σ = 964350618. Its totient is φ = 275528744.

The previous prime is 551057491. The next prime is 551057527. The reversal of 551057492 is 294750155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 478909456 + 72148036 = 21884^2 + 8494^2 .

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68882183 + ... + 68882190.

It is an arithmetic number, because the mean of its divisors is an integer number (160725103).

Almost surely, 2^551057492 is an apocalyptic number.

It is an amenable number.

551057492 is a deficient number, since it is larger than the sum of its proper divisors (413293126).

551057492 is a wasteful number, since it uses less digits than its factorization.

551057492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137764377 (or 137764375 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 551057492 is about 23474.6137774405. The cubic root of 551057492 is about 819.8460408949.

The spelling of 551057492 in words is "five hundred fifty-one million, fifty-seven thousand, four hundred ninety-two".