54251532 has 30 divisors (see below), whose sum is σ = 141825068. Its totient is φ = 18083736.

The previous prime is 54251531. The next prime is 54251537. The reversal of 54251532 is 23515245.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 54251496 and 54251505.

It is not an unprimeable number, because it can be changed into a prime (54251531) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 83398 + ... + 84045.

Almost surely, 2^54251532 is an apocalyptic number.

It is an amenable number.

54251532 is an abundant number, since it is smaller than the sum of its proper divisors (87573536).

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

54251532 is a wasteful number, since it uses less digits than its factorization.

54251532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167459 (or 167448 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 54251532 is about 7365.5639295304. The cubic root of 54251532 is about 378.5622773288.

Adding to 54251532 its reverse (23515245), we get a palindrome (77766777).

The spelling of 54251532 in words is "fifty-four million, two hundred fifty-one thousand, five hundred thirty-two".