53431417 has 8 divisors (see below), whose sum is σ = 58189320. Its totient is φ = 48766080.

The previous prime is 53431393. The next prime is 53431421. The reversal of 53431417 is 71413435.

It can be written as a sum of positive squares in 4 ways, for example, as 1893376 + 51538041 = 1376^2 + 7179^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53431417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53431447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21934 + ... + 24247.

It is an arithmetic number, because the mean of its divisors is an integer number (7273665).

Almost surely, 2^53431417 is an apocalyptic number.

It is an amenable number.

53431417 is a deficient number, since it is larger than the sum of its proper divisors (4757903).

53431417 is a wasteful number, since it uses less digits than its factorization.

53431417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46283.

The product of its digits is 5040, while the sum is 28.

The square root of 53431417 is about 7309.6796783443. The cubic root of 53431417 is about 376.6450209018.

The spelling of 53431417 in words is "fifty-three million, four hundred thirty-one thousand, four hundred seventeen".