53279733 has 16 divisors (see below), whose sum is σ = 77477120. Its totient is φ = 32370624.

The previous prime is 53279729. The next prime is 53279767. The reversal of 53279733 is 33797235.

It is not a de Polignac number, because 53279733 - 2² = 53279729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53279691 and 53279700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53279713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5566 + ... + 11727.

It is an arithmetic number, because the mean of its divisors is an integer number (4842320).

Almost surely, 2^53279733 is an apocalyptic number.

It is an amenable number.

53279733 is a deficient number, since it is larger than the sum of its proper divisors (24197387).

53279733 is a wasteful number, since it uses less digits than its factorization.

53279733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17388.

The product of its digits is 119070, while the sum is 39.

The square root of 53279733 is about 7299.2967469476. The cubic root of 53279733 is about 376.2882696731.

The spelling of 53279733 in words is "fifty-three million, two hundred seventy-nine thousand, seven hundred thirty-three".