54136020 has 48 divisors (see below), whose sum is σ = 158175360. Its totient is φ = 13808256.

The previous prime is 54135989. The next prime is 54136037. The reversal of 54136020 is 2063145.

It is a happy number.

It is a super-2 number, since 2×54136020² = 5861417322880800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18235 + ... + 20994.

It is an arithmetic number, because the mean of its divisors is an integer number (3295320).

Almost surely, 2^54136020 is an apocalyptic number.

It is an amenable number.

54136020 is an abundant number, since it is smaller than the sum of its proper divisors (104039340).

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

54136020 is a wasteful number, since it uses less digits than its factorization.

54136020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39264 (or 39262 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 54136020 is about 7357.7183963509. The cubic root of 54136020 is about 378.2934089891.

Adding to 54136020 its reverse (2063145), we get a palindrome (56199165).

The spelling of 54136020 in words is "fifty-four million, one hundred thirty-six thousand, twenty".