54131045 has 4 divisors (see below), whose sum is σ = 64957260. Its totient is φ = 43304832.

The previous prime is 54131041. The next prime is 54131059. The reversal of 54131045 is 54013145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54013145 = 5 ⋅10802629.

It can be written as a sum of positive squares in 2 ways, for example, as 17926756 + 36204289 = 4234^2 + 6017^2 .

It is a cyclic number.

It is not a de Polignac number, because 54131045 - 2² = 54131041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54131045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54131041) 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, 5413100 + ... + 5413109.

It is an arithmetic number, because the mean of its divisors is an integer number (16239315).

Almost surely, 2^54131045 is an apocalyptic number.

It is an amenable number.

54131045 is a deficient number, since it is larger than the sum of its proper divisors (10826215).

54131045 is a wasteful number, since it uses less digits than its factorization.

54131045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10826214.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 54131045 is about 7357.3803082347. The cubic root of 54131045 is about 378.2818204795.

The spelling of 54131045 in words is "fifty-four million, one hundred thirty-one thousand, forty-five".