253550364 has 96 divisors (see below), whose sum is σ = 665548800. Its totient is φ = 74753280.

The previous prime is 253550281. The next prime is 253550377. The reversal of 253550364 is 463055352.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 204354 + ... + 205590.

It is an arithmetic number, because the mean of its divisors is an integer number (6932800).

Almost surely, 2^253550364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253550364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332774400).

253550364 is an abundant number, since it is smaller than the sum of its proper divisors (411998436).

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

253550364 is a wasteful number, since it uses less digits than its factorization.

253550364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 253550364 is about 15923.2648662264. The cubic root of 253550364 is about 632.9286373634.

The spelling of 253550364 in words is "two hundred fifty-three million, five hundred fifty thousand, three hundred sixty-four".