41991552 has 48 divisors (see below), whose sum is σ = 120838380. Its totient is φ = 13996800.

The previous prime is 41991533. The next prime is 41991557. The reversal of 41991552 is 25519914.

41991552 is a `hidden beast` number, since 4 + 19 + 91 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41991557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17074 + ... + 19377.

Almost surely, 2^41991552 is an apocalyptic number.

It is an amenable number.

41991552 is an abundant number, since it is smaller than the sum of its proper divisors (78846828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41991552 is a wasteful number, since it uses less digits than its factorization.

41991552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36471 (or 36456 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 41991552 is about 6480.0888882792. The cubic root of 41991552 is about 347.5793569948.

The spelling of 41991552 in words is "forty-one million, nine hundred ninety-one thousand, five hundred fifty-two".