901146553 has 4 divisors (see below), whose sum is σ = 901580020. Its totient is φ = 900713088.

The previous prime is 901146541. The next prime is 901146629. The reversal of 901146553 is 355641109.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 781090704 + 120055849 = 27948^2 + 10957^2 .

It is a cyclic number.

It is not a de Polignac number, because 901146553 - 2²¹ = 899049401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901149553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213600 + ... + 217777.

It is an arithmetic number, because the mean of its divisors is an integer number (225395005).

Almost surely, 2^901146553 is an apocalyptic number.

It is an amenable number.

901146553 is a deficient number, since it is larger than the sum of its proper divisors (433467).

901146553 is a wasteful number, since it uses less digits than its factorization.

901146553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433466.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 901146553 is about 30019.1031345042. The cubic root of 901146553 is about 965.8992049769.

The spelling of 901146553 in words is "nine hundred one million, one hundred forty-six thousand, five hundred fifty-three".