40552231553 has 4 divisors (see below), whose sum is σ = 40552645680. Its totient is φ = 40551817428.

The previous prime is 40552231501. The next prime is 40552231597. The reversal of 40552231553 is 35513225504.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40552231553 - 2¹⁴ = 40552215169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40522231553) 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, 31238 + ... + 286496.

It is an arithmetic number, because the mean of its divisors is an integer number (10138161420).

Almost surely, 2^40552231553 is an apocalyptic number.

It is an amenable number.

40552231553 is a deficient number, since it is larger than the sum of its proper divisors (414127).

40552231553 is a wasteful number, since it uses less digits than its factorization.

40552231553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414126.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 40552231553 in words is "forty billion, five hundred fifty-two million, two hundred thirty-one thousand, five hundred fifty-three".