54442519 has 2 divisors, whose sum is σ = 54442520. Its totient is φ = 54442518.

The previous prime is 54442513. The next prime is 54442523. The reversal of 54442519 is 91524445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54442519 - 2¹³ = 54434327 is a prime.

It is a super-2 number, since 2×54442519² = 5927975750130722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54442513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27221259 + 27221260.

It is an arithmetic number, because the mean of its divisors is an integer number (27221260).

Almost surely, 2^54442519 is an apocalyptic number.

54442519 is a deficient number, since it is larger than the sum of its proper divisors (1).

54442519 is an equidigital number, since it uses as much as digits as its factorization.

54442519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 54442519 is about 7378.5173985022. The cubic root of 54442519 is about 379.0059870539.

The spelling of 54442519 in words is "fifty-four million, four hundred forty-two thousand, five hundred nineteen".