53671745 has 8 divisors (see below), whose sum is σ = 64471680. Its totient is φ = 42893680.

The previous prime is 53671741. The next prime is 53671753. The reversal of 53671745 is 54717635.

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

It is not a de Polignac number, because 53671745 - 2² = 53671741 is a prime.

It is a super-2 number, since 2×53671745² = 5761312422690050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53671699 and 53671708.

It is not an unprimeable number, because it can be changed into a prime (53671741) 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, 536 + ... + 10374.

It is an arithmetic number, because the mean of its divisors is an integer number (8058960).

Almost surely, 2^53671745 is an apocalyptic number.

It is an amenable number.

53671745 is a deficient number, since it is larger than the sum of its proper divisors (10799935).

53671745 is a wasteful number, since it uses less digits than its factorization.

53671745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10935.

The product of its digits is 88200, while the sum is 38.

The square root of 53671745 is about 7326.1002586642. The cubic root of 53671745 is about 377.2088774882.

The spelling of 53671745 in words is "fifty-three million, six hundred seventy-one thousand, seven hundred forty-five".