53919738 has 12 divisors (see below), whose sum is σ = 116826138. Its totient is φ = 17973240.

The previous prime is 53919713. The next prime is 53919769. The reversal of 53919738 is 83791935.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42810849 + 11108889 = 6543^2 + 3333^2 .

It is a super-3 number, since 3×53919738³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53919693 and 53919702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1497753 + ... + 1497788.

Almost surely, 2^53919738 is an apocalyptic number.

53919738 is an abundant number, since it is smaller than the sum of its proper divisors (62906400).

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

53919738 is a wasteful number, since it uses less digits than its factorization.

53919738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995549 (or 2995546 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 53919738 is about 7343.0060601909. The cubic root of 53919738 is about 377.7889558464.

It can be divided in two parts, 5391 and 9738, that added together give a square (15129 = 123²).

The spelling of 53919738 in words is "fifty-three million, nine hundred nineteen thousand, seven hundred thirty-eight".