1550421314 has 32 divisors (see below), whose sum is σ = 2570747760. Its totient is φ = 696729600.

The previous prime is 1550421277. The next prime is 1550421317. The reversal of 1550421314 is 4131240551.

It can be written as a sum of positive squares in 8 ways, for example, as 97515625 + 1452905689 = 9875^2 + 38117^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1550421317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682172 + ... + 684440.

Almost surely, 2^1550421314 is an apocalyptic number.

1550421314 is a deficient number, since it is larger than the sum of its proper divisors (1020326446).

1550421314 is a wasteful number, since it uses less digits than its factorization.

1550421314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1550421314 is about 39375.3896996588. The cubic root of 1550421314 is about 1157.3993746211.

Adding to 1550421314 its reverse (4131240551), we get a palindrome (5681661865).

The spelling of 1550421314 in words is "one billion, five hundred fifty million, four hundred twenty-one thousand, three hundred fourteen".