53970581 has 8 divisors (see below), whose sum is σ = 64362624. Its totient is φ = 44249040.

The previous prime is 53970557. The next prime is 53970593. The reversal of 53970581 is 18507935.

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

It is a cyclic number.

It is not a de Polignac number, because 53970581 - 2¹⁸ = 53708437 is a prime.

It is a super-2 number, since 2×53970581² = 5825647226955122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53970181) 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, 167450 + ... + 167771.

It is an arithmetic number, because the mean of its divisors is an integer number (8045328).

Almost surely, 2^53970581 is an apocalyptic number.

It is an amenable number.

53970581 is a deficient number, since it is larger than the sum of its proper divisors (10392043).

53970581 is a wasteful number, since it uses less digits than its factorization.

53970581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335251.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 53970581 is about 7346.4672462348. The cubic root of 53970581 is about 377.9076624676.

The spelling of 53970581 in words is "fifty-three million, nine hundred seventy thousand, five hundred eighty-one".