54215132 has 12 divisors (see below), whose sum is σ = 99870120. Its totient is φ = 25680816.

The previous prime is 54215099. The next prime is 54215137. The reversal of 54215132 is 23151245.

It is a junction number, because it is equal to n+sod(n) for n = 54215098 and 54215107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54215137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356603 + ... + 356754.

It is an arithmetic number, because the mean of its divisors is an integer number (8322510).

Almost surely, 2^54215132 is an apocalyptic number.

It is an amenable number.

54215132 is a deficient number, since it is larger than the sum of its proper divisors (45654988).

54215132 is a wasteful number, since it uses less digits than its factorization.

54215132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713380 (or 713378 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 54215132 is about 7363.0925567998. The cubic root of 54215132 is about 378.4775930852.

Adding to 54215132 its reverse (23151245), we get a palindrome (77366377).

The spelling of 54215132 in words is "fifty-four million, two hundred fifteen thousand, one hundred thirty-two".