1550971794 has 32 divisors (see below), whose sum is σ = 3232379520. Its totient is φ = 495512192.

The previous prime is 1550971777. The next prime is 1550971853. The reversal of 1550971794 is 4971790551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8694 + ... + 56369.

It is an arithmetic number, because the mean of its divisors is an integer number (101011860).

Almost surely, 2^1550971794 is an apocalyptic number.

1550971794 is an abundant number, since it is smaller than the sum of its proper divisors (1681407726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1550971794 is a wasteful number, since it uses less digits than its factorization.

1550971794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65234.

The product of its (nonzero) digits is 396900, while the sum is 48.

The square root of 1550971794 is about 39382.3792323420. The cubic root of 1550971794 is about 1157.5363373535.

The spelling of 1550971794 in words is "one billion, five hundred fifty million, nine hundred seventy-one thousand, seven hundred ninety-four".