40553519 has 2 divisors, whose sum is σ = 40553520. Its totient is φ = 40553518.

The previous prime is 40553497. The next prime is 40553563. The reversal of 40553519 is 91535504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40553519 - 2¹² = 40549423 is a prime.

It is a super-2 number, since 2×40553519² = 3289175806566722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40553719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20276759 + 20276760.

It is an arithmetic number, because the mean of its divisors is an integer number (20276760).

Almost surely, 2^40553519 is an apocalyptic number.

40553519 is a deficient number, since it is larger than the sum of its proper divisors (1).

40553519 is an equidigital number, since it uses as much as digits as its factorization.

40553519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 40553519 is about 6368.1644922222. The cubic root of 40553519 is about 343.5654752239.

The spelling of 40553519 in words is "forty million, five hundred fifty-three thousand, five hundred nineteen".