54253145 has 4 divisors (see below), whose sum is σ = 65103780. Its totient is φ = 43402512.

The previous prime is 54253141. The next prime is 54253163. The reversal of 54253145 is 54135245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54135245 = 5 ⋅10827049.

It can be written as a sum of positive squares in 2 ways, for example, as 20647936 + 33605209 = 4544^2 + 5797^2 .

It is a cyclic number.

It is not a de Polignac number, because 54253145 - 2² = 54253141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54253141) 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, 5425310 + ... + 5425319.

It is an arithmetic number, because the mean of its divisors is an integer number (16275945).

Almost surely, 2^54253145 is an apocalyptic number.

It is an amenable number.

54253145 is a deficient number, since it is larger than the sum of its proper divisors (10850635).

54253145 is a wasteful number, since it uses less digits than its factorization.

54253145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10850634.

The product of its digits is 12000, while the sum is 29.

The square root of 54253145 is about 7365.6734247454. The cubic root of 54253145 is about 378.5660290810.

The spelling of 54253145 in words is "fifty-four million, two hundred fifty-three thousand, one hundred forty-five".