550149755 has 8 divisors (see below), whose sum is σ = 660660000. Its totient is φ = 439799616.

The previous prime is 550149703. The next prime is 550149757. The reversal of 550149755 is 557941055.

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

It is a cyclic number.

It is not a de Polignac number, because 550149755 - 2¹⁴ = 550133371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550149757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32330 + ... + 46319.

It is an arithmetic number, because the mean of its divisors is an integer number (82582500).

Almost surely, 2^550149755 is an apocalyptic number.

550149755 is a deficient number, since it is larger than the sum of its proper divisors (110510245).

550149755 is a wasteful number, since it uses less digits than its factorization.

550149755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80053.

The product of its (nonzero) digits is 157500, while the sum is 41.

The square root of 550149755 is about 23455.2713691400. The cubic root of 550149755 is about 819.3956259476.

The spelling of 550149755 in words is "five hundred fifty million, one hundred forty-nine thousand, seven hundred fifty-five".