54520830 has 192 divisors, whose sum is σ = 182710080. Its totient is φ = 11467008.

The previous prime is 54520813. The next prime is 54520859. The reversal of 54520830 is 3802545.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 54520794 and 54520803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 171832 + ... + 172148.

It is an arithmetic number, because the mean of its divisors is an integer number (951615).

Almost surely, 2^54520830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54520830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91355040).

54520830 is an abundant number, since it is smaller than the sum of its proper divisors (128189250).

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

54520830 is a wasteful number, since it uses less digits than its factorization.

54520830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 54520830 is about 7383.8221809575. The cubic root of 54520830 is about 379.1876227734.

The spelling of 54520830 in words is "fifty-four million, five hundred twenty thousand, eight hundred thirty".