54780142 has 8 divisors (see below), whose sum is σ = 82227600. Its totient is φ = 27370944.

The previous prime is 54780119. The next prime is 54780157. The reversal of 54780142 is 24108745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5667 + ... + 11902.

It is an arithmetic number, because the mean of its divisors is an integer number (10278450).

Almost surely, 2^54780142 is an apocalyptic number.

54780142 is a deficient number, since it is larger than the sum of its proper divisors (27447458).

54780142 is a wasteful number, since it uses less digits than its factorization.

54780142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19130.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 54780142 is about 7401.3608208221. The cubic root of 54780142 is about 379.7878363210.

Adding to 54780142 its reverse (24108745), we get a palindrome (78888887).

The spelling of 54780142 in words is "fifty-four million, seven hundred eighty thousand, one hundred forty-two".