54129456 has 30 divisors (see below), whose sum is σ = 151487700. Its totient is φ = 18043104.

The previous prime is 54129443. The next prime is 54129463. The reversal of 54129456 is 65492145.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 54129456.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187806 + ... + 188093.

It is an arithmetic number, because the mean of its divisors is an integer number (5049590).

Almost surely, 2^54129456 is an apocalyptic number.

It is an amenable number.

54129456 is an abundant number, since it is smaller than the sum of its proper divisors (97358244).

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

54129456 is a wasteful number, since it uses less digits than its factorization.

54129456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375913 (or 375904 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 54129456 is about 7357.2723206362. The cubic root of 54129456 is about 378.2781189949.

The spelling of 54129456 in words is "fifty-four million, one hundred twenty-nine thousand, four hundred fifty-six".