54081750 has 32 divisors (see below), whose sum is σ = 134989920. Its totient is φ = 14421600.

The previous prime is 54081749. The next prime is 54081751. The reversal of 54081750 is 5718045.

It is an interprime number because it is at equal distance from previous prime (54081749) and next prime (54081751).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54081751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35305 + ... + 36804.

It is an arithmetic number, because the mean of its divisors is an integer number (4218435).

Almost surely, 2^54081750 is an apocalyptic number.

54081750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54081750 is an abundant number, since it is smaller than the sum of its proper divisors (80908170).

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

54081750 is a wasteful number, since it uses less digits than its factorization.

54081750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72129 (or 72119 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 54081750 is about 7354.0295076917. The cubic root of 54081750 is about 378.1669568451.

Adding to 54081750 its reverse (5718045), we get a palindrome (59799795).

The spelling of 54081750 in words is "fifty-four million, eighty-one thousand, seven hundred fifty".