54155970 has 72 divisors (see below), whose sum is σ = 154800828. Its totient is φ = 13126080.

The previous prime is 54155953. The next prime is 54156019. The reversal of 54155970 is 7955145.

54155970 is a `hidden beast` number, since 54 + 15 + 597 + 0 = 666.

54155970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54154881 + 1089 = 7359^2 + 33^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8404 + ... + 13376.

Almost surely, 2^54155970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54155970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77400414).

54155970 is an abundant number, since it is smaller than the sum of its proper divisors (100644858).

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

54155970 is a wasteful number, since it uses less digits than its factorization.

54155970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 54155970 is about 7359.0739906594. The cubic root of 54155970 is about 378.3398723644.

The spelling of 54155970 in words is "fifty-four million, one hundred fifty-five thousand, nine hundred seventy".