40553557 has 8 divisors (see below), whose sum is σ = 44333280. Its totient is φ = 36789360.

The previous prime is 40553519. The next prime is 40553563. The reversal of 40553557 is 75535504.

40553557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40553557 - 2¹¹ = 40551509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40553587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1978 + ... + 9220.

It is an arithmetic number, because the mean of its divisors is an integer number (5541660).

Almost surely, 2^40553557 is an apocalyptic number.

It is an amenable number.

40553557 is a deficient number, since it is larger than the sum of its proper divisors (3779723).

40553557 is a wasteful number, since it uses less digits than its factorization.

40553557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 40553557 is about 6368.1674758128. The cubic root of 40553557 is about 343.5655825346.

The spelling of 40553557 in words is "forty million, five hundred fifty-three thousand, five hundred fifty-seven".