253103550 has 48 divisors (see below), whose sum is σ = 717370752. Its totient is φ = 57852000.

The previous prime is 253103533. The next prime is 253103551. The reversal of 253103550 is 55301352.

It is a super-2 number, since 2×253103550² = 128122814045205000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253103550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253103551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119476 + ... + 121575.

It is an arithmetic number, because the mean of its divisors is an integer number (14945224).

Almost surely, 2^253103550 is an apocalyptic number.

253103550 is an abundant number, since it is smaller than the sum of its proper divisors (464267202).

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

253103550 is a wasteful number, since it uses less digits than its factorization.

253103550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241073 (or 241068 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 253103550 is about 15909.2284539509. The cubic root of 253103550 is about 632.5566301944.

The spelling of 253103550 in words is "two hundred fifty-three million, one hundred three thousand, five hundred fifty".