54031481 has 16 divisors (see below), whose sum is σ = 65307648. Its totient is φ = 43718400.

The previous prime is 54031463. The next prime is 54031487. The reversal of 54031481 is 18413045.

It is a cyclic number.

It is not a de Polignac number, because 54031481 - 2¹⁸ = 53769337 is a prime.

It is a super-2 number, since 2×54031481² = 5838801878106722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54031481.

It is not an unprimeable number, because it can be changed into a prime (54031487) 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, 5861 + ... + 11933.

It is an arithmetic number, because the mean of its divisors is an integer number (4081728).

Almost surely, 2^54031481 is an apocalyptic number.

It is an amenable number.

54031481 is a deficient number, since it is larger than the sum of its proper divisors (11276167).

54031481 is a wasteful number, since it uses less digits than its factorization.

54031481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 54031481 is about 7350.6109269910. The cubic root of 54031481 is about 378.0497517636.

The spelling of 54031481 in words is "fifty-four million, thirty-one thousand, four hundred eighty-one".