54820730 has 32 divisors (see below), whose sum is σ = 106531200. Its totient is φ = 20249152.

The previous prime is 54820729. The next prime is 54820763. The reversal of 54820730 is 3702845.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 54820693 and 54820702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2561 + ... + 10779.

It is an arithmetic number, because the mean of its divisors is an integer number (3329100).

Almost surely, 2^54820730 is an apocalyptic number.

54820730 is a deficient number, since it is larger than the sum of its proper divisors (51710470).

54820730 is a wasteful number, since it uses less digits than its factorization.

54820730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 54820730 is about 7404.1022413254. The cubic root of 54820730 is about 379.8816113194.

The spelling of 54820730 in words is "fifty-four million, eight hundred twenty thousand, seven hundred thirty".