53151623 has 16 divisors (see below), whose sum is σ = 62764800. Its totient is φ = 44985528.

The previous prime is 53151617. The next prime is 53151629. The reversal of 53151623 is 32615135.

53151623 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 (53151617) and next prime (53151629).

It is not a de Polignac number, because 53151623 - 2⁶ = 53151559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53151592 and 53151601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53151629) 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 15 ways as a sum of consecutive naturals, for example, 27536 + ... + 29402.

It is an arithmetic number, because the mean of its divisors is an integer number (3922800).

Almost surely, 2^53151623 is an apocalyptic number.

53151623 is a deficient number, since it is larger than the sum of its proper divisors (9613177).

53151623 is an equidigital number, since it uses as much as digits as its factorization.

53151623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1957 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 53151623 is about 7290.5159625365. The cubic root of 53151623 is about 375.9864352093.

Adding to 53151623 its reverse (32615135), we get a palindrome (85766758).

The spelling of 53151623 in words is "fifty-three million, one hundred fifty-one thousand, six hundred twenty-three".