53149733 has 8 divisors (see below), whose sum is σ = 65415168. Its totient is φ = 42052464.

The previous prime is 53149729. The next prime is 53149739. The reversal of 53149733 is 33794135.

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 53149733 - 2² = 53149729 is a prime.

It is a super-3 number, since 3×53149733³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53149693 and 53149702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53149739) 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, 291941 + ... + 292122.

It is an arithmetic number, because the mean of its divisors is an integer number (8176896).

Almost surely, 2^53149733 is an apocalyptic number.

It is an amenable number.

53149733 is a deficient number, since it is larger than the sum of its proper divisors (12265435).

53149733 is a wasteful number, since it uses less digits than its factorization.

53149733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584083.

The product of its digits is 34020, while the sum is 35.

The square root of 53149733 is about 7290.3863409287. The cubic root of 53149733 is about 375.9819786330.

The spelling of 53149733 in words is "fifty-three million, one hundred forty-nine thousand, seven hundred thirty-three".