550748397124 has 6 divisors (see below), whose sum is σ = 963809694974. Its totient is φ = 275374198560.

The previous prime is 550748397113. The next prime is 550748397139. The reversal of 550748397124 is 421793847055.

It can be written as a sum of positive squares in only one way, i.e., 505393028100 + 45355369024 = 710910^2 + 212968^2 .

It is a super-2 number, since 2×550748397124² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68843549637 + ... + 68843549644.

Almost surely, 2^550748397124 is an apocalyptic number.

It is an amenable number.

550748397124 is a deficient number, since it is larger than the sum of its proper divisors (413061297850).

550748397124 is a wasteful number, since it uses less digits than its factorization.

550748397124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137687099285 (or 137687099283 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 550748397124 in words is "five hundred fifty billion, seven hundred forty-eight million, three hundred ninety-seven thousand, one hundred twenty-four".