54331505 has 4 divisors (see below), whose sum is σ = 65197812. Its totient is φ = 43465200.

The previous prime is 54331493. The next prime is 54331513. The reversal of 54331505 is 50513345.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39639616 + 14691889 = 6296^2 + 3833^2 .

It is not a de Polignac number, because 54331505 - 2¹² = 54327409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5433146 + ... + 5433155.

It is an arithmetic number, because the mean of its divisors is an integer number (16299453).

Almost surely, 2^54331505 is an apocalyptic number.

It is an amenable number.

54331505 is a deficient number, since it is larger than the sum of its proper divisors (10866307).

54331505 is a wasteful number, since it uses less digits than its factorization.

54331505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866306.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 54331505 is about 7370.9907746517. The cubic root of 54331505 is about 378.7482007851.

The spelling of 54331505 in words is "fifty-four million, three hundred thirty-one thousand, five hundred five".