54393069820 has 24 divisors (see below), whose sum is σ = 114247677600. Its totient is φ = 21752993472.

The previous prime is 54393069739. The next prime is 54393069823. The reversal of 54393069820 is 2896039345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54393069823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158280 + ... + 365839.

It is an arithmetic number, because the mean of its divisors is an integer number (4760319900).

Almost surely, 2^54393069820 is an apocalyptic number.

It is an amenable number.

54393069820 is an abundant number, since it is smaller than the sum of its proper divisors (59854607780).

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

54393069820 is a wasteful number, since it uses less digits than its factorization.

54393069820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529317 (or 529315 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 54393069820 in words is "fifty-four billion, three hundred ninety-three million, sixty-nine thousand, eight hundred twenty".