1550894241 has 24 divisors (see below), whose sum is σ = 2370889440. Its totient is φ = 898250496.

The previous prime is 1550894239. The next prime is 1550894269. The reversal of 1550894241 is 1424980551.

It is not a de Polignac number, because 1550894241 - 2¹ = 1550894239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1550894241.

It is not an unprimeable number, because it can be changed into a prime (1550894231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81351 + ... + 98588.

It is an arithmetic number, because the mean of its divisors is an integer number (98787060).

Almost surely, 2^1550894241 is an apocalyptic number.

It is an amenable number.

1550894241 is a deficient number, since it is larger than the sum of its proper divisors (819995199).

1550894241 is a wasteful number, since it uses less digits than its factorization.

1550894241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179985 (or 179972 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 1550894241 is about 39381.3946045591. The cubic root of 1550894241 is about 1157.5170436624.

It can be divided in two parts, 155089 and 4241, that added together give a triangular number (159330 = T₅₆₄).

The spelling of 1550894241 in words is "one billion, five hundred fifty million, eight hundred ninety-four thousand, two hundred forty-one".