54218502 has 48 divisors (see below), whose sum is σ = 127135008. Its totient is φ = 16600320.

The previous prime is 54218467. The next prime is 54218509. The reversal of 54218502 is 20581245.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54218509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61102 + ... + 61982.

It is an arithmetic number, because the mean of its divisors is an integer number (2648646).

Almost surely, 2^54218502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54218502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63567504).

54218502 is an abundant number, since it is smaller than the sum of its proper divisors (72916506).

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

54218502 is a wasteful number, since it uses less digits than its factorization.

54218502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 54218502 is about 7363.3213973043. The cubic root of 54218502 is about 378.4854349491.

Adding to 54218502 its reverse (20581245), we get a palindrome (74799747).

It can be divided in two parts, 542 and 18502, that added together give a square (19044 = 138²).

The spelling of 54218502 in words is "fifty-four million, two hundred eighteen thousand, five hundred two".