54420069 has 16 divisors (see below), whose sum is σ = 80999424. Its totient is φ = 32214000.

The previous prime is 54420053. The next prime is 54420071. The reversal of 54420069 is 96002445.

It is not a de Polignac number, because 54420069 - 2⁴ = 54420053 is a prime.

It is a super-2 number, since 2×54420069² = 5923087819929522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54420049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17757 + ... + 20594.

It is an arithmetic number, because the mean of its divisors is an integer number (5062464).

Almost surely, 2^54420069 is an apocalyptic number.

It is an amenable number.

54420069 is a deficient number, since it is larger than the sum of its proper divisors (26579355).

54420069 is a wasteful number, since it uses less digits than its factorization.

54420069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38408.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 54420069 is about 7376.9959333051. The cubic root of 54420069 is about 378.9538840630.

The spelling of 54420069 in words is "fifty-four million, four hundred twenty thousand, sixty-nine".