54640733 has 6 divisors (see below), whose sum is σ = 63561726. Its totient is φ = 46834872.

The previous prime is 54640687. The next prime is 54640739. The reversal of 54640733 is 33704645.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 15038884 = 6293^2 + 3878^2 .

It is not a de Polignac number, because 54640733 - 2¹⁶ = 54575197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54640733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54640739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557510 + ... + 557607.

It is an arithmetic number, because the mean of its divisors is an integer number (10593621).

Almost surely, 2^54640733 is an apocalyptic number.

It is an amenable number.

54640733 is a deficient number, since it is larger than the sum of its proper divisors (8920993).

54640733 is a wasteful number, since it uses less digits than its factorization.

54640733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115131 (or 1115124 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 54640733 is about 7391.9370262469. The cubic root of 54640733 is about 379.4653908886.

The spelling of 54640733 in words is "fifty-four million, six hundred forty thousand, seven hundred thirty-three".