53695650 has 48 divisors (see below), whose sum is σ = 136428768. Its totient is φ = 13968000.

The previous prime is 53695637. The next prime is 53695657. The reversal of 53695650 is 5659635.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53695599 and 53695608.

It is not an unprimeable number, because it can be changed into a prime (53695657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1785 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (2842266).

Almost surely, 2^53695650 is an apocalyptic number.

53695650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53695650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68214384).

53695650 is an abundant number, since it is smaller than the sum of its proper divisors (82733118).

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

53695650 is a wasteful number, since it uses less digits than its factorization.

53695650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8787 (or 8782 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 39.

The square root of 53695650 is about 7327.7315725946. The cubic root of 53695650 is about 377.2648711948.

It can be divided in two parts, 53695 and 650, that added together give a palindrome (54345).

The spelling of 53695650 in words is "fifty-three million, six hundred ninety-five thousand, six hundred fifty".