54237690 has 96 divisors (see below), whose sum is σ = 153369216. Its totient is φ = 13219200.

The previous prime is 54237643. The next prime is 54237719. The reversal of 54237690 is 9673245.

It is a super-2 number, since 2×54237690² = 5883454033072200, which contains 22 as substring.

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, 176517 + ... + 176823.

It is an arithmetic number, because the mean of its divisors is an integer number (1597596).

Almost surely, 2^54237690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54237690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76684608).

54237690 is an abundant number, since it is smaller than the sum of its proper divisors (99131526).

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

54237690 is a wasteful number, since it uses less digits than its factorization.

54237690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 54237690 is about 7364.6242266663. The cubic root of 54237690 is about 378.5300785161.

The spelling of 54237690 in words is "fifty-four million, two hundred thirty-seven thousand, six hundred ninety".