54397000 has 128 divisors (see below), whose sum is σ = 153504000. Its totient is φ = 17625600.

The previous prime is 54396973. The next prime is 54397003. The reversal of 54397000 is 79345.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 54397000.

It is not an unprimeable number, because it can be changed into a prime (54397003) 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, 132796 + ... + 133204.

It is an arithmetic number, because the mean of its divisors is an integer number (1199250).

Almost surely, 2^54397000 is an apocalyptic number.

54397000 is a gapful number since it is divisible by the number (50) 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 54397000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76752000).

54397000 is an abundant number, since it is smaller than the sum of its proper divisors (99107000).

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

54397000 is a wasteful number, since it uses less digits than its factorization.

54397000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 54397000 is about 7375.4321907262. The cubic root of 54397000 is about 378.9003295387.

The spelling of 54397000 in words is "fifty-four million, three hundred ninety-seven thousand".