54142020 has 120 divisors (see below), whose sum is σ = 178886400. Its totient is φ = 13670208.

The previous prime is 54142019. The next prime is 54142051. The reversal of 54142020 is 2024145.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 54141984 and 54142002.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29901 + ... + 31659.

It is an arithmetic number, because the mean of its divisors is an integer number (1490720).

Almost surely, 2^54142020 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 54142020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89443200).

54142020 is an abundant number, since it is smaller than the sum of its proper divisors (124744380).

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

54142020 is a wasteful number, since it uses less digits than its factorization.

54142020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 54142020 is about 7358.1261201477. The cubic root of 54142020 is about 378.3073841367.

Adding to 54142020 its reverse (2024145), we get a palindrome (56166165).

The spelling of 54142020 in words is "fifty-four million, one hundred forty-two thousand, twenty".