553668144 has 40 divisors (see below), whose sum is σ = 1492499712. Its totient is φ = 176531520.

The previous prime is 553668127. The next prime is 553668161. The reversal of 553668144 is 441866355.

It is an interprime number because it is at equal distance from previous prime (553668127) and next prime (553668161).

It is a junction number, because it is equal to n+sod(n) for n = 553668096 and 553668105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249652 + ... + 251859.

Almost surely, 2^553668144 is an apocalyptic number.

It is an amenable number.

553668144 is an abundant number, since it is smaller than the sum of its proper divisors (938831568).

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

553668144 is a wasteful number, since it uses less digits than its factorization.

553668144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501545 (or 501539 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 553668144 is about 23530.1539306482. The cubic root of 553668144 is about 821.1386837626.

The spelling of 553668144 in words is "five hundred fifty-three million, six hundred sixty-eight thousand, one hundred forty-four".