40553855 has 8 divisors (see below), whose sum is σ = 48712752. Its totient is φ = 32411008.

The previous prime is 40553831. The next prime is 40553869. The reversal of 40553855 is 55835504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40553855 - 2¹⁶ = 40488319 is a prime.

It is a super-2 number, since 2×40553855² = 3289230310722050, which contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519 + ... + 9351.

It is an arithmetic number, because the mean of its divisors is an integer number (6089094).

Almost surely, 2^40553855 is an apocalyptic number.

40553855 is a deficient number, since it is larger than the sum of its proper divisors (8158897).

40553855 is a wasteful number, since it uses less digits than its factorization.

40553855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 40553855 is about 6368.1908733957. The cubic root of 40553855 is about 343.5664240744.

The spelling of 40553855 in words is "forty million, five hundred fifty-three thousand, eight hundred fifty-five".