54728461 has 2 divisors, whose sum is σ = 54728462. Its totient is φ = 54728460.

The previous prime is 54728447. The next prime is 54728483. The reversal of 54728461 is 16482745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54686025 + 42436 = 7395^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 54728461 - 2²⁵ = 21174029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54728461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54728411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27364230 + 27364231.

It is an arithmetic number, because the mean of its divisors is an integer number (27364231).

Almost surely, 2^54728461 is an apocalyptic number.

It is an amenable number.

54728461 is a deficient number, since it is larger than the sum of its proper divisors (1).

54728461 is an equidigital number, since it uses as much as digits as its factorization.

54728461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The square root of 54728461 is about 7397.8686795590. The cubic root of 54728461 is about 379.6683648595.

The spelling of 54728461 in words is "fifty-four million, seven hundred twenty-eight thousand, four hundred sixty-one".