553445450 has 12 divisors (see below), whose sum is σ = 1029408630. Its totient is φ = 221378160.

The previous prime is 553445447. The next prime is 553445461. The reversal of 553445450 is 54544355.

It can be written as a sum of positive squares in 3 ways, for example, as 237992329 + 315453121 = 15427^2 + 17761^2 .

It is a super-2 number, since 2×553445450² = 612603732251405000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 553445450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5534405 + ... + 5534504.

Almost surely, 2^553445450 is an apocalyptic number.

553445450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

553445450 is a deficient number, since it is larger than the sum of its proper divisors (475963180).

553445450 is a wasteful number, since it uses less digits than its factorization.

553445450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068921 (or 11068916 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 553445450 is about 23525.4213564816. The cubic root of 553445450 is about 821.0285773855.

The spelling of 553445450 in words is "five hundred fifty-three million, four hundred forty-five thousand, four hundred fifty".