535455340521 has 4 divisors (see below), whose sum is σ = 713940454032. Its totient is φ = 356970227012.

The previous prime is 535455340499. The next prime is 535455340523. The reversal of 535455340521 is 125043554535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 535455340521 - 2⁷ = 535455340393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (535455340523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89242556751 + ... + 89242556756.

It is an arithmetic number, because the mean of its divisors is an integer number (178485113508).

Almost surely, 2^535455340521 is an apocalyptic number.

It is an amenable number.

535455340521 is a deficient number, since it is larger than the sum of its proper divisors (178485113511).

535455340521 is a wasteful number, since it uses less digits than its factorization.

535455340521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178485113510.

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 535455340521 in words is "five hundred thirty-five billion, four hundred fifty-five million, three hundred forty thousand, five hundred twenty-one".