54257532 has 48 divisors (see below), whose sum is σ = 146200320. Its totient is φ = 15340032.

The previous prime is 54257519. The next prime is 54257551. The reversal of 54257532 is 23575245.

It is a junction number, because it is equal to n+sod(n) for n = 54257493 and 54257502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4819 + ... + 11477.

It is an arithmetic number, because the mean of its divisors is an integer number (3045840).

Almost surely, 2^54257532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54257532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73100160).

54257532 is an abundant number, since it is smaller than the sum of its proper divisors (91942788).

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

54257532 is a wasteful number, since it uses less digits than its factorization.

54257532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770 (or 6768 counting only the distinct ones).

The product of its digits is 42000, while the sum is 33.

The square root of 54257532 is about 7365.9712190586. The cubic root of 54257532 is about 378.5762326333.

The spelling of 54257532 in words is "fifty-four million, two hundred fifty-seven thousand, five hundred thirty-two".