54515430 has 160 divisors (see below), whose sum is σ = 160893216. Its totient is φ = 13188096.

The previous prime is 54515423. The next prime is 54515431. The reversal of 54515430 is 3451545.

54515430 = T₂₅₂₄ + T₂₅₂₅ + ... + T₂₅₄₀.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54515394 and 54515403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54515431) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 509437 + ... + 509543.

Almost surely, 2^54515430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54515430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80446608).

54515430 is an abundant number, since it is smaller than the sum of its proper divisors (106377786).

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

54515430 is a wasteful number, since it uses less digits than its factorization.

54515430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 171 counting only the distinct ones).

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

The square root of 54515430 is about 7383.4565076257. The cubic root of 54515430 is about 379.1751035169.

Adding to 54515430 its reverse (3451545), we get a palindrome (57966975).

It can be divided in two parts, 54515 and 430, that added together give a palindrome (54945).

The spelling of 54515430 in words is "fifty-four million, five hundred fifteen thousand, four hundred thirty".