54906069 has 4 divisors (see below), whose sum is σ = 73208096. Its totient is φ = 36604044.

The previous prime is 54906043. The next prime is 54906091. The reversal of 54906069 is 96060945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54906069 - 2²⁰ = 53857493 is a prime.

It is a super-2 number, since 2×54906069² = 6029352826065522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54906869) 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, 9151009 + ... + 9151014.

It is an arithmetic number, because the mean of its divisors is an integer number (18302024).

Almost surely, 2^54906069 is an apocalyptic number.

It is an amenable number.

54906069 is a deficient number, since it is larger than the sum of its proper divisors (18302027).

54906069 is a wasteful number, since it uses less digits than its factorization.

54906069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18302026.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 54906069 is about 7409.8629541983. The cubic root of 54906069 is about 380.0786286969.

The spelling of 54906069 in words is "fifty-four million, nine hundred six thousand, sixty-nine".