40695553 has 4 divisors (see below), whose sum is σ = 40778928. Its totient is φ = 40612180.

The previous prime is 40695541. The next prime is 40695559. The reversal of 40695553 is 35559604.

40695553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40695553 - 2⁵ = 40695521 is a prime.

It is a super-2 number, since 2×40695553² = 3312256067951618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40695559) 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 3 ways as a sum of consecutive naturals, for example, 40951 + ... + 41932.

It is an arithmetic number, because the mean of its divisors is an integer number (10194732).

Almost surely, 2^40695553 is an apocalyptic number.

It is an amenable number.

40695553 is a deficient number, since it is larger than the sum of its proper divisors (83375).

40695553 is an equidigital number, since it uses as much as digits as its factorization.

40695553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83374.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 40695553 is about 6379.3066237641. The cubic root of 40695553 is about 343.9661072837.

It can be divided in two parts, 406 and 95553, that added together give a palindrome (95959).

The spelling of 40695553 in words is "forty million, six hundred ninety-five thousand, five hundred fifty-three".