54393534 has 24 divisors (see below), whose sum is σ = 126918792. Its totient is φ = 16736400.

The previous prime is 54393533. The next prime is 54393571. The reversal of 54393534 is 43539345.

It is a happy 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 (54393533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115992 + ... + 116459.

It is an arithmetic number, because the mean of its divisors is an integer number (5288283).

Almost surely, 2^54393534 is an apocalyptic number.

54393534 is an abundant number, since it is smaller than the sum of its proper divisors (72525258).

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

54393534 is a wasteful number, since it uses less digits than its factorization.

54393534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232472 (or 232469 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 54393534 is about 7375.1972177020. The cubic root of 54393534 is about 378.8922819354.

The spelling of 54393534 in words is "fifty-four million, three hundred ninety-three thousand, five hundred thirty-four".