40552061 has 24 divisors (see below), whose sum is σ = 48518400. Its totient is φ = 33739200.

The previous prime is 40551991. The next prime is 40552067. The reversal of 40552061 is 16025504.

It is not a de Polignac number, because 40552061 - 2²² = 36357757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40552067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70985 + ... + 71553.

It is an arithmetic number, because the mean of its divisors is an integer number (2021600).

Almost surely, 2^40552061 is an apocalyptic number.

It is an amenable number.

40552061 is a deficient number, since it is larger than the sum of its proper divisors (7966339).

40552061 is a wasteful number, since it uses less digits than its factorization.

40552061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 40552061 is about 6368.0500155071. The cubic root of 40552061 is about 343.5613578297.

Adding to 40552061 its reverse (16025504), we get a palindrome (56577565).

It can be divided in two parts, 4055 and 2061, that added together give a palindrome (6116).

The spelling of 40552061 in words is "forty million, five hundred fifty-two thousand, sixty-one".