553821045 has 16 divisors (see below), whose sum is σ = 914698752. Its totient is φ = 285842880.

The previous prime is 553821029. The next prime is 553821061. The reversal of 553821045 is 540128355.

It is an interprime number because it is at equal distance from previous prime (553821029) and next prime (553821061).

It is not a de Polignac number, because 553821045 - 2⁴ = 553821029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553820997 and 553821015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595042 + ... + 595971.

It is an arithmetic number, because the mean of its divisors is an integer number (57168672).

Almost surely, 2^553821045 is an apocalyptic number.

It is an amenable number.

553821045 is a deficient number, since it is larger than the sum of its proper divisors (360877707).

553821045 is a wasteful number, since it uses less digits than its factorization.

553821045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191052.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 553821045 is about 23533.4027501337. The cubic root of 553821045 is about 821.2142653611.

The spelling of 553821045 in words is "five hundred fifty-three million, eight hundred twenty-one thousand, forty-five".