54811319 has 4 divisors (see below), whose sum is σ = 56292744. Its totient is φ = 53329896.

The previous prime is 54811307. The next prime is 54811321. The reversal of 54811319 is 91311845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54811319 - 2¹² = 54807223 is a prime.

It is a super-2 number, since 2×54811319² = 6008561381039522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54811399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740657 + ... + 740730.

It is an arithmetic number, because the mean of its divisors is an integer number (14073186).

Almost surely, 2^54811319 is an apocalyptic number.

54811319 is a deficient number, since it is larger than the sum of its proper divisors (1481425).

54811319 is a wasteful number, since it uses less digits than its factorization.

54811319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481424.

The product of its digits is 4320, while the sum is 32.

The square root of 54811319 is about 7403.4666879780. The cubic root of 54811319 is about 379.8598721559.

The spelling of 54811319 in words is "fifty-four million, eight hundred eleven thousand, three hundred nineteen".