40553525 has 6 divisors (see below), whose sum is σ = 50286402. Its totient is φ = 32442800.

The previous prime is 40553519. The next prime is 40553563. The reversal of 40553525 is 52535504.

It is a happy number.

40553525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 91204 + 40462321 = 302^2 + 6361^2 .

It is not a de Polignac number, because 40553525 - 2²² = 36359221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 811046 + ... + 811095.

It is an arithmetic number, because the mean of its divisors is an integer number (8381067).

Almost surely, 2^40553525 is an apocalyptic number.

It is an amenable number.

40553525 is a deficient number, since it is larger than the sum of its proper divisors (9732877).

40553525 is a wasteful number, since it uses less digits than its factorization.

40553525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622151 (or 1622146 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 40553525 is about 6368.1649633156. The cubic root of 40553525 is about 343.5654921677.

The spelling of 40553525 in words is "forty million, five hundred fifty-three thousand, five hundred twenty-five".