54051966 has 24 divisors (see below), whose sum is σ = 117726960. Its totient is φ = 17922816.

The previous prime is 54051961. The next prime is 54051971. The reversal of 54051966 is 66915045.

54051966 is a `hidden beast` number, since 540 + 51 + 9 + 66 = 666.

It is an interprime number because it is at equal distance from previous prime (54051961) and next prime (54051971).

It is a self number, because there is not a number n which added to its sum of digits gives 54051966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54051961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4306 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (4905290).

Almost surely, 2^54051966 is an apocalyptic number.

54051966 is an abundant number, since it is smaller than the sum of its proper divisors (63674994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54051966 is a wasteful number, since it uses less digits than its factorization.

54051966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15760 (or 15757 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 54051966 is about 7352.0042165385. The cubic root of 54051966 is about 378.0975224985.

The spelling of 54051966 in words is "fifty-four million, fifty-one thousand, nine hundred sixty-six".