54197850 has 96 divisors (see below), whose sum is σ = 155990016. Its totient is φ = 12196800.

The previous prime is 54197837. The next prime is 54197863. The reversal of 54197850 is 5879145.

It is an interprime number because it is at equal distance from previous prime (54197837) and next prime (54197863).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54197799 and 54197808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74187 + ... + 74913.

It is an arithmetic number, because the mean of its divisors is an integer number (1624896).

Almost surely, 2^54197850 is an apocalyptic number.

54197850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54197850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77995008).

54197850 is an abundant number, since it is smaller than the sum of its proper divisors (101792166).

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

54197850 is a wasteful number, since it uses less digits than its factorization.

54197850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 54197850 is about 7361.9189074588. The cubic root of 54197850 is about 378.4373734107.

The spelling of 54197850 in words is "fifty-four million, one hundred ninety-seven thousand, eight hundred fifty".