54620969 has 6 divisors (see below), whose sum is σ = 59145966. Its totient is φ = 50419200.

The previous prime is 54620959. The next prime is 54620971. The reversal of 54620969 is 96902645.

It can be written as a sum of positive squares in 3 ways, for example, as 1155625 + 53465344 = 1075^2 + 7312^2 .

It is a de Polignac number, because none of the positive numbers 2^k-54620969 is a prime.

It is a super-2 number, since 2×54620969² = 5966900508997922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54620959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161432 + ... + 161769.

It is an arithmetic number, because the mean of its divisors is an integer number (9857661).

Almost surely, 2^54620969 is an apocalyptic number.

It is an amenable number.

54620969 is a deficient number, since it is larger than the sum of its proper divisors (4524997).

54620969 is a wasteful number, since it uses less digits than its factorization.

54620969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323227 (or 323214 counting only the distinct ones).

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

The square root of 54620969 is about 7390.6000432982. The cubic root of 54620969 is about 379.4196334594.

The spelling of 54620969 in words is "fifty-four million, six hundred twenty thousand, nine hundred sixty-nine".