54201540 has 24 divisors (see below), whose sum is σ = 151764480. Its totient is φ = 14453728.

The previous prime is 54201533. The next prime is 54201583. The reversal of 54201540 is 4510245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451620 + ... + 451739.

It is an arithmetic number, because the mean of its divisors is an integer number (6323520).

Almost surely, 2^54201540 is an apocalyptic number.

It is an amenable number.

54201540 is an abundant number, since it is smaller than the sum of its proper divisors (97562940).

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

54201540 is a wasteful number, since it uses less digits than its factorization.

54201540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903371 (or 903369 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 54201540 is about 7362.1695172008. The cubic root of 54201540 is about 378.4459617109.

Adding to 54201540 its reverse (4510245), we get a palindrome (58711785).

The spelling of 54201540 in words is "fifty-four million, two hundred one thousand, five hundred forty".