40553541 has 36 divisors (see below), whose sum is σ = 69595552. Its totient is φ = 23147208.

The previous prime is 40553519. The next prime is 40553563. The reversal of 40553541 is 14535504.

It is an interprime number because it is at equal distance from previous prime (40553519) and next prime (40553563).

It is not a de Polignac number, because 40553541 - 2⁶ = 40553477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40553441) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45486 + ... + 46368.

Almost surely, 2^40553541 is an apocalyptic number.

It is an amenable number.

40553541 is a deficient number, since it is larger than the sum of its proper divisors (29042011).

40553541 is an frugal number, since it uses more digits than its factorization.

40553541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 40553541 is about 6368.1662195643. The cubic root of 40553541 is about 343.5655373512.

The spelling of 40553541 in words is "forty million, five hundred fifty-three thousand, five hundred forty-one".