53437782 has 16 divisors (see below), whose sum is σ = 107692992. Its totient is φ = 17676360.

The previous prime is 53437781. The next prime is 53437799. The reversal of 53437782 is 28773435.

It is a self number, because there is not a number n which added to its sum of digits gives 53437782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53437781) 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, 33208 + ... + 34779.

It is an arithmetic number, because the mean of its divisors is an integer number (6730812).

Almost surely, 2^53437782 is an apocalyptic number.

53437782 is an abundant number, since it is smaller than the sum of its proper divisors (54255210).

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

53437782 is a wasteful number, since it uses less digits than its factorization.

53437782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68123.

The product of its digits is 141120, while the sum is 39.

The square root of 53437782 is about 7310.1150469743. The cubic root of 53437782 is about 376.6599762127.

The spelling of 53437782 in words is "fifty-three million, four hundred thirty-seven thousand, seven hundred eighty-two".