54010140 has 24 divisors (see below), whose sum is σ = 151228560. Its totient is φ = 14402688.

The previous prime is 54010129. The next prime is 54010147. The reversal of 54010140 is 4101045.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54010147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450025 + ... + 450144.

It is an arithmetic number, because the mean of its divisors is an integer number (6301190).

Almost surely, 2^54010140 is an apocalyptic number.

It is an amenable number.

54010140 is an abundant number, since it is smaller than the sum of its proper divisors (97218420).

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

54010140 is a wasteful number, since it uses less digits than its factorization.

54010140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900181 (or 900179 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 54010140 is about 7349.1591355746. The cubic root of 54010140 is about 377.9999720053. Note that the first 4 decimals are identical.

Adding to 54010140 its reverse (4101045), we get a palindrome (58111185).

It can be divided in two parts, 540 and 10140, that multiplied together give a square (5475600 = 2340²).

The spelling of 54010140 in words is "fifty-four million, ten thousand, one hundred forty".