54415340 has 48 divisors (see below), whose sum is σ = 131326272. Its totient is φ = 18552576.

The previous prime is 54415337. The next prime is 54415343. The reversal of 54415340 is 4351445.

It is an interprime number because it is at equal distance from previous prime (54415337) and next prime (54415343).

It is a super-2 number, since 2×54415340² = 5922058454631200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54415343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26594 + ... + 28566.

It is an arithmetic number, because the mean of its divisors is an integer number (2735964).

Almost surely, 2^54415340 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 54415340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65663136).

54415340 is an abundant number, since it is smaller than the sum of its proper divisors (76910932).

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

54415340 is a wasteful number, since it uses less digits than its factorization.

54415340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 54415340 is about 7376.6754029170. The cubic root of 54415340 is about 378.9429069555.

Adding to 54415340 its reverse (4351445), we get a palindrome (58766785).

The spelling of 54415340 in words is "fifty-four million, four hundred fifteen thousand, three hundred forty".