53819442 has 24 divisors (see below), whose sum is σ = 116791740. Its totient is φ = 17911680.

The previous prime is 53819369. The next prime is 53819453. The reversal of 53819442 is 24491835.

It can be written as a sum of positive squares in 2 ways, for example, as 38303721 + 15515721 = 6189^2 + 3939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53819397 and 53819406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11734 + ... + 15662.

Almost surely, 2^53819442 is an apocalyptic number.

53819442 is an abundant number, since it is smaller than the sum of its proper divisors (62972298).

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

53819442 is a wasteful number, since it uses less digits than its factorization.

53819442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698 (or 4695 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 53819442 is about 7336.1735257558. The cubic root of 53819442 is about 377.5545689575.

The spelling of 53819442 in words is "fifty-three million, eight hundred nineteen thousand, four hundred forty-two".