553738770 has 96 divisors (see below), whose sum is σ = 1556401392. Its totient is φ = 135783936.

The previous prime is 553738769. The next prime is 553738813. The reversal of 553738770 is 77837355.

It can be written as a sum of positive squares in 8 ways, for example, as 107557641 + 446181129 = 10371^2 + 21123^2 .

It is a super-2 number, since 2×553738770² = 613253250802225800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 370144 + ... + 371636.

Almost surely, 2^553738770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553738770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778200696).

553738770 is an abundant number, since it is smaller than the sum of its proper divisors (1002662622).

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

553738770 is a wasteful number, since it uses less digits than its factorization.

553738770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The square root of 553738770 is about 23531.6546379552. The cubic root of 553738770 is about 821.1735971402.

The spelling of 553738770 in words is "five hundred fifty-three million, seven hundred thirty-eight thousand, seven hundred seventy".