54291930 has 128 divisors (see below), whose sum is σ = 171141120. Its totient is φ = 10679040.

The previous prime is 54291893. The next prime is 54291947. The reversal of 54291930 is 3919245.

It is a super-2 number, since 2×54291930² = 5895227326249800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 54291891 and 54291900.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43272 + ... + 44508.

It is an arithmetic number, because the mean of its divisors is an integer number (1337040).

Almost surely, 2^54291930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54291930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85570560).

54291930 is an abundant number, since it is smaller than the sum of its proper divisors (116849190).

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

54291930 is a wasteful number, since it uses less digits than its factorization.

54291930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 54291930 is about 7368.3057754140. The cubic root of 54291930 is about 378.6562185437.

The spelling of 54291930 in words is "fifty-four million, two hundred ninety-one thousand, nine hundred thirty".