53859961 has 8 divisors (see below), whose sum is σ = 57832704. Its totient is φ = 49976640.

The previous prime is 53859941. The next prime is 53859973. The reversal of 53859961 is 16995835.

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 53859961 - 2¹⁷ = 53728889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53859941) 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, 21105 + ... + 23518.

It is an arithmetic number, because the mean of its divisors is an integer number (7229088).

Almost surely, 2^53859961 is an apocalyptic number.

It is an amenable number.

53859961 is a deficient number, since it is larger than the sum of its proper divisors (3972743).

53859961 is a wasteful number, since it uses less digits than its factorization.

53859961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44711.

The product of its digits is 291600, while the sum is 46.

The square root of 53859961 is about 7338.9345957026. The cubic root of 53859961 is about 377.6492949243.

The spelling of 53859961 in words is "fifty-three million, eight hundred fifty-nine thousand, nine hundred sixty-one".