54690269 has 4 divisors (see below), whose sum is σ = 56024220. Its totient is φ = 53356320.

The previous prime is 54690257. The next prime is 54690271. The reversal of 54690269 is 96209645.

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 3853369 + 50836900 = 1963^2 + 7130^2 .

It is a cyclic number.

It is not a de Polignac number, because 54690269 - 2¹² = 54686173 is a prime.

It is a super-2 number, since 2×54690269² = 5982051046584722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1333909 = 54690269 / (5 + 4 + 6 + 9 + 0 + 2 + 6 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54690289) 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, 666914 + ... + 666995.

It is an arithmetic number, because the mean of its divisors is an integer number (14006055).

Almost surely, 2^54690269 is an apocalyptic number.

It is an amenable number.

54690269 is a deficient number, since it is larger than the sum of its proper divisors (1333951).

54690269 is a wasteful number, since it uses less digits than its factorization.

54690269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333950.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 54690269 is about 7395.2869450752. The cubic root of 54690269 is about 379.5800277115.

The spelling of 54690269 in words is "fifty-four million, six hundred ninety thousand, two hundred sixty-nine".