550742678 has 8 divisors (see below), whose sum is σ = 826581672. Its totient is φ = 275215456.

The previous prime is 550742657. The next prime is 550742701. The reversal of 550742678 is 876247055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×550742678² = 606634994741223368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73475 + ... + 80622.

It is an arithmetic number, because the mean of its divisors is an integer number (103322709).

Almost surely, 2^550742678 is an apocalyptic number.

550742678 is a deficient number, since it is larger than the sum of its proper divisors (275838994).

550742678 is a wasteful number, since it uses less digits than its factorization.

550742678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155886.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 550742678 is about 23467.9074056465. The cubic root of 550742678 is about 819.6898876921.

The spelling of 550742678 in words is "five hundred fifty million, seven hundred forty-two thousand, six hundred seventy-eight".