53937765 has 32 divisors (see below), whose sum is σ = 109589760. Its totient is φ = 24656832.

The previous prime is 53937761. The next prime is 53937769. The reversal of 53937765 is 56773935.

53937765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53937761) and next prime (53937769).

It is not a de Polignac number, because 53937765 - 2² = 53937761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53937765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53937761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27594 + ... + 29483.

It is an arithmetic number, because the mean of its divisors is an integer number (3424680).

Almost surely, 2^53937765 is an apocalyptic number.

It is an amenable number.

53937765 is an abundant number, since it is smaller than the sum of its proper divisors (55651995).

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

53937765 is a wasteful number, since it uses less digits than its factorization.

53937765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57098 (or 57092 counting only the distinct ones).

The product of its digits is 595350, while the sum is 45.

The square root of 53937765 is about 7344.2334521718. The cubic root of 53937765 is about 377.8310532485.

The spelling of 53937765 in words is "fifty-three million, nine hundred thirty-seven thousand, seven hundred sixty-five".