553507344 has 240 divisors, whose sum is σ = 1774386432. Its totient is φ = 165970944.

The previous prime is 553507327. The next prime is 553507363. The reversal of 553507344 is 443705355.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 553507299 and 553507308.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2375452 + ... + 2375684.

Almost surely, 2^553507344 is an apocalyptic number.

553507344 is a gapful number since it is divisible by the number (54) 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 553507344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887193216).

553507344 is an abundant number, since it is smaller than the sum of its proper divisors (1220879088).

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

553507344 is a wasteful number, since it uses less digits than its factorization.

553507344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 36.

The square root of 553507344 is about 23526.7367902988. The cubic root of 553507344 is about 821.0591825388.

The spelling of 553507344 in words is "five hundred fifty-three million, five hundred seven thousand, three hundred forty-four".