1550335164 has 48 divisors (see below), whose sum is σ = 4190876928. Its totient is φ = 436883328.

The previous prime is 1550335159. The next prime is 1550335169. The reversal of 1550335164 is 4615330551.

It is an interprime number because it is at equal distance from previous prime (1550335159) and next prime (1550335169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550335169) 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, 120282 + ... + 132545.

It is an arithmetic number, because the mean of its divisors is an integer number (87309936).

Almost surely, 2^1550335164 is an apocalyptic number.

1550335164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1550335164 is an abundant number, since it is smaller than the sum of its proper divisors (2640541764).

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

1550335164 is a wasteful number, since it uses less digits than its factorization.

1550335164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252914 (or 252912 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 1550335164 is about 39374.2957270349. The cubic root of 1550335164 is about 1157.3779370497.

The spelling of 1550335164 in words is "one billion, five hundred fifty million, three hundred thirty-five thousand, one hundred sixty-four".