53921527 has 16 divisors (see below), whose sum is σ = 62282880. Its totient is φ = 46216800.

The previous prime is 53921513. The next prime is 53921551. The reversal of 53921527 is 72512935.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53921527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53921492 and 53921501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53921557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11752 + ... + 15682.

It is an arithmetic number, because the mean of its divisors is an integer number (3892680).

Almost surely, 2^53921527 is an apocalyptic number.

53921527 is a deficient number, since it is larger than the sum of its proper divisors (8361353).

53921527 is a wasteful number, since it uses less digits than its factorization.

53921527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014.

The product of its digits is 18900, while the sum is 34.

The square root of 53921527 is about 7343.1278757761. The cubic root of 53921527 is about 377.7931340131.

The spelling of 53921527 in words is "fifty-three million, nine hundred twenty-one thousand, five hundred twenty-seven".