53980933 has 8 divisors (see below), whose sum is σ = 57316248. Its totient is φ = 50663424.

The previous prime is 53980847. The next prime is 53980973. The reversal of 53980933 is 33908935.

It can be written as a sum of positive squares in 4 ways, for example, as 32012964 + 21967969 = 5658^2 + 4687^2 .

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 53980933 - 2²¹ = 51883781 is a prime.

It is a super-2 number, since 2×53980933² = 5827882255100978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53980973) 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, 2085 + ... + 10597.

It is an arithmetic number, because the mean of its divisors is an integer number (7164531).

Almost surely, 2^53980933 is an apocalyptic number.

It is an amenable number.

53980933 is a deficient number, since it is larger than the sum of its proper divisors (3335315).

53980933 is a wasteful number, since it uses less digits than its factorization.

53980933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 53980933 is about 7347.1717687829. The cubic root of 53980933 is about 377.9318228524.

The spelling of 53980933 in words is "fifty-three million, nine hundred eighty thousand, nine hundred thirty-three".