54787373 has 2 divisors, whose sum is σ = 54787374. Its totient is φ = 54787372.

The previous prime is 54787367. The next prime is 54787399. The reversal of 54787373 is 37378745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36699364 + 18088009 = 6058^2 + 4253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54787373 is a prime.

It is a super-3 number, since 3×54787373³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54787273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27393686 + 27393687.

It is an arithmetic number, because the mean of its divisors is an integer number (27393687).

Almost surely, 2^54787373 is an apocalyptic number.

It is an amenable number.

54787373 is a deficient number, since it is larger than the sum of its proper divisors (1).

54787373 is an equidigital number, since it uses as much as digits as its factorization.

54787373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 44.

The square root of 54787373 is about 7401.8492959530. The cubic root of 54787373 is about 379.8045462997.

The spelling of 54787373 in words is "fifty-four million, seven hundred eighty-seven thousand, three hundred seventy-three".