54541512 has 80 divisors (see below), whose sum is σ = 154993740. Its totient is φ = 17915904.

The previous prime is 54541499. The next prime is 54541519. The reversal of 54541512 is 21514545.

It can be written as a sum of positive squares in 2 ways, for example, as 52620516 + 1920996 = 7254^2 + 1386^2 .

It is a super-2 number, since 2×54541512² = 5949553062492288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (54541519) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46728 + ... + 47880.

Almost surely, 2^54541512 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 54541512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77496870).

54541512 is an abundant number, since it is smaller than the sum of its proper divisors (100452228).

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

54541512 is a wasteful number, since it uses less digits than its factorization.

54541512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1231 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 54541512 is about 7385.2225423477. Note that the first 3 decimals coincide. The cubic root of 54541512 is about 379.2355638813.

The spelling of 54541512 in words is "fifty-four million, five hundred forty-one thousand, five hundred twelve".