55928503 has 2 divisors, whose sum is σ = 55928504. Its totient is φ = 55928502.

The previous prime is 55928489. The next prime is 55928513. The reversal of 55928503 is 30582955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55928503 - 2¹⁷ = 55797431 is a prime.

It is a super-3 number, since 3×55928503³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55928513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27964251 + 27964252.

It is an arithmetic number, because the mean of its divisors is an integer number (27964252).

Almost surely, 2^55928503 is an apocalyptic number.

55928503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55928503 is an equidigital number, since it uses as much as digits as its factorization.

55928503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 55928503 is about 7478.5361535530. The cubic root of 55928503 is about 382.4233471642.

The spelling of 55928503 in words is "fifty-five million, nine hundred twenty-eight thousand, five hundred three".