53501650 has 12 divisors (see below), whose sum is σ = 99513162. Its totient is φ = 21400640.

The previous prime is 53501647. The next prime is 53501659. The reversal of 53501650 is 5610535.

53501650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 36469521 + 17032129 = 6039^2 + 4127^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501659) 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 5 ways as a sum of consecutive naturals, for example, 534967 + ... + 535066.

Almost surely, 2^53501650 is an apocalyptic number.

53501650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53501650 is a deficient number, since it is larger than the sum of its proper divisors (46011512).

53501650 is a wasteful number, since it uses less digits than its factorization.

53501650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070045 (or 1070040 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 53501650 is about 7314.4822099722. The cubic root of 53501650 is about 376.8099758374.

The spelling of 53501650 in words is "fifty-three million, five hundred one thousand, six hundred fifty".