1550745361 has 8 divisors (see below), whose sum is σ = 1694116800. Its totient is φ = 1407773040.

The previous prime is 1550745341. The next prime is 1550745373. The reversal of 1550745361 is 1635470551.

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 1550745361 - 2¹³ = 1550737169 is a prime.

It is a super-2 number, since 2×1550745361² = 4809622349326040642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1550745361.

It is not an unprimeable number, because it can be changed into a prime (1550745341) 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, 91621 + ... + 107218.

It is an arithmetic number, because the mean of its divisors is an integer number (211764600).

Almost surely, 2^1550745361 is an apocalyptic number.

1550745361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1550745361 is a deficient number, since it is larger than the sum of its proper divisors (143371439).

1550745361 is a wasteful number, since it uses less digits than its factorization.

1550745361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199559.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 1550745361 is about 39379.5043264894. The cubic root of 1550745361 is about 1157.4800033864.

The spelling of 1550745361 in words is "one billion, five hundred fifty million, seven hundred forty-five thousand, three hundred sixty-one".