1550424252 has 72 divisors (see below), whose sum is σ = 3940151040. Its totient is φ = 474277440.

The previous prime is 1550424241. The next prime is 1550424269. The reversal of 1550424252 is 2524240551.

It is a super-2 number, since 2×1550424252² = 4807630722379519008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360877 + ... + 365147.

It is an arithmetic number, because the mean of its divisors is an integer number (54724320).

Almost surely, 2^1550424252 is an apocalyptic number.

1550424252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550424252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1970075520).

1550424252 is an abundant number, since it is smaller than the sum of its proper divisors (2389726788).

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

1550424252 is a wasteful number, since it uses less digits than its factorization.

1550424252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483 (or 4468 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1550424252 is about 39375.4270072084. The cubic root of 1550424252 is about 1157.4001056992.

The spelling of 1550424252 in words is "one billion, five hundred fifty million, four hundred twenty-four thousand, two hundred fifty-two".