40053803 has 2 divisors, whose sum is σ = 40053804. Its totient is φ = 40053802.

The previous prime is 40053773. The next prime is 40053809. The reversal of 40053803 is 30835004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40053803 - 2¹⁸ = 39791659 is a prime.

It is not a weakly prime, because it can be changed into another prime (40053809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026901 + 20026902.

It is an arithmetic number, because the mean of its divisors is an integer number (20026902).

Almost surely, 2^40053803 is an apocalyptic number.

40053803 is a deficient number, since it is larger than the sum of its proper divisors (1).

40053803 is an equidigital number, since it uses as much as digits as its factorization.

40053803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40053803 is about 6328.8073916023. The cubic root of 40053803 is about 342.1484570301.

Adding to 40053803 its reverse (30835004), we get a palindrome (70888807).

The spelling of 40053803 in words is "forty million, fifty-three thousand, eight hundred three".