53949833 has 12 divisors (see below), whose sum is σ = 63006660. Its totient is φ = 46059552.

The previous prime is 53949799. The next prime is 53949839. The reversal of 53949833 is 33894935.

It can be written as a sum of positive squares in 2 ways, for example, as 11478544 + 42471289 = 3388^2 + 6517^2 .

It is not a de Polignac number, because 53949833 - 2⁶ = 53949769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53949839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11135 + ... + 15227.

It is an arithmetic number, because the mean of its divisors is an integer number (5250555).

Almost surely, 2^53949833 is an apocalyptic number.

It is an amenable number.

53949833 is a deficient number, since it is larger than the sum of its proper divisors (9056827).

53949833 is a wasteful number, since it uses less digits than its factorization.

53949833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376 (or 4369 counting only the distinct ones).

The product of its digits is 349920, while the sum is 44.

The square root of 53949833 is about 7345.0550031977. The cubic root of 53949833 is about 377.8592297041.

The spelling of 53949833 in words is "fifty-three million, nine hundred forty-nine thousand, eight hundred thirty-three".