54897804 has 96 divisors (see below), whose sum is σ = 156031680. Its totient is φ = 16588800.

The previous prime is 54897797. The next prime is 54897809. The reversal of 54897804 is 40879845.

It is a self number, because there is not a number n which added to its sum of digits gives 54897804.

It is not an unprimeable number, because it can be changed into a prime (54897809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85324 + ... + 85964.

It is an arithmetic number, because the mean of its divisors is an integer number (1625330).

Almost surely, 2^54897804 is an apocalyptic number.

54897804 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54897804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78015840).

54897804 is an abundant number, since it is smaller than the sum of its proper divisors (101133876).

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

54897804 is a wasteful number, since it uses less digits than its factorization.

54897804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 54897804 is about 7409.3052305867. The cubic root of 54897804 is about 380.0595566856.

The spelling of 54897804 in words is "fifty-four million, eight hundred ninety-seven thousand, eight hundred four".