53820342 has 32 divisors (see below), whose sum is σ = 119892960. Its totient is φ = 17896320.

The previous prime is 53820307. The next prime is 53820359. The reversal of 53820342 is 24302835.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

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, 27178 + ... + 29090.

It is an arithmetic number, because the mean of its divisors is an integer number (3746655).

Almost surely, 2^53820342 is an apocalyptic number.

53820342 is an abundant number, since it is smaller than the sum of its proper divisors (66072618).

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

53820342 is a wasteful number, since it uses less digits than its factorization.

53820342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 53820342 is about 7336.2348653788. The cubic root of 53820342 is about 377.5566735081.

The spelling of 53820342 in words is "fifty-three million, eight hundred twenty thousand, three hundred forty-two".