54151644 has 24 divisors (see below), whose sum is σ = 126490000. Its totient is φ = 18031104.

The previous prime is 54151639. The next prime is 54151649. The reversal of 54151644 is 44615145.

It is an interprime number because it is at equal distance from previous prime (54151639) and next prime (54151649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54151649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13182 + ... + 16794.

Almost surely, 2^54151644 is an apocalyptic number.

It is an amenable number.

54151644 is an abundant number, since it is smaller than the sum of its proper divisors (72338356).

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

54151644 is a wasteful number, since it uses less digits than its factorization.

54151644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869 (or 4867 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 54151644 is about 7358.7800619396. The cubic root of 54151644 is about 378.3297981173.

Adding to 54151644 its reverse (44615145), we get a palindrome (98766789).

The spelling of 54151644 in words is "fifty-four million, one hundred fifty-one thousand, six hundred forty-four".