53730471 has 12 divisors (see below), whose sum is σ = 74030136. Its totient is φ = 34662960.

The previous prime is 53730463. The next prime is 53730491. The reversal of 53730471 is 17403735.

It is not a de Polignac number, because 53730471 - 2³ = 53730463 is a prime.

It is a super-3 number, since 3×53730471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53730491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6436 + ... + 12201.

It is an arithmetic number, because the mean of its divisors is an integer number (6169178).

Almost surely, 2^53730471 is an apocalyptic number.

53730471 is a deficient number, since it is larger than the sum of its proper divisors (20299665).

53730471 is a wasteful number, since it uses less digits than its factorization.

53730471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18702 (or 18671 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 53730471 is about 7330.1071615632. The cubic root of 53730471 is about 377.3464041894.

The spelling of 53730471 in words is "fifty-three million, seven hundred thirty thousand, four hundred seventy-one".