253553044 has 12 divisors (see below), whose sum is σ = 445298868. Its totient is φ = 126324800.

The previous prime is 253553033. The next prime is 253553051. The reversal of 253553044 is 440355352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 158256400 + 95296644 = 12580^2 + 9762^2 .

It is a super-2 number, since 2×253553044² = 128578292243331872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253552997 and 253553015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111667 + ... + 113914.

It is an arithmetic number, because the mean of its divisors is an integer number (37108239).

Almost surely, 2^253553044 is an apocalyptic number.

It is an amenable number.

253553044 is a deficient number, since it is larger than the sum of its proper divisors (191745824).

253553044 is a wasteful number, since it uses less digits than its factorization.

253553044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225866 (or 225864 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 253553044 is about 15923.3490196001. The cubic root of 253553044 is about 632.9308673513.

The spelling of 253553044 in words is "two hundred fifty-three million, five hundred fifty-three thousand, forty-four".