54515340 has 108 divisors (see below), whose sum is σ = 181835472. Its totient is φ = 13210560.

The previous prime is 54515339. The next prime is 54515341. The reversal of 54515340 is 4351545.

It is an interprime number because it is at equal distance from previous prime (54515339) and next prime (54515341).

It is not an unprimeable number, because it can be changed into a prime (54515341) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20529 + ... + 23031.

Almost surely, 2^54515340 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 54515340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90917736).

54515340 is an abundant number, since it is smaller than the sum of its proper divisors (127320132).

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

54515340 is a wasteful number, since it uses less digits than its factorization.

54515340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540 (or 2524 counting only the distinct ones).

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

The square root of 54515340 is about 7383.4504129167. The cubic root of 54515340 is about 379.1748948556.

Adding to 54515340 its reverse (4351545), we get a palindrome (58866885).

The spelling of 54515340 in words is "fifty-four million, five hundred fifteen thousand, three hundred forty".