54299780 has 24 divisors (see below), whose sum is σ = 118988352. Its totient is φ = 20775392.

The previous prime is 54299779. The next prime is 54299783. The reversal of 54299780 is 8799245.

It is a happy number.

It is a super-2 number, since 2×54299780² = 5896932216096800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54299783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58562 + ... + 59481.

It is an arithmetic number, because the mean of its divisors is an integer number (4957848).

Almost surely, 2^54299780 is an apocalyptic number.

It is an amenable number.

54299780 is an abundant number, since it is smaller than the sum of its proper divisors (64688572).

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

54299780 is a wasteful number, since it uses less digits than its factorization.

54299780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118075 (or 118073 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 54299780 is about 7368.8384430655. The cubic root of 54299780 is about 378.6744674686.

The spelling of 54299780 in words is "fifty-four million, two hundred ninety-nine thousand, seven hundred eighty".