53506051 has 2 divisors, whose sum is σ = 53506052. Its totient is φ = 53506050.

The previous prime is 53506043. The next prime is 53506067. The reversal of 53506051 is 15060535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53506051 - 2³ = 53506043 is a prime.

It is a super-2 number, since 2×53506051² = 5725794987229202, which contains 22 as substring.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (53506001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26753025 + 26753026.

It is an arithmetic number, because the mean of its divisors is an integer number (26753026).

Almost surely, 2^53506051 is an apocalyptic number.

53506051 is a deficient number, since it is larger than the sum of its proper divisors (1).

53506051 is an equidigital number, since it uses as much as digits as its factorization.

53506051 is an odious number, because the sum of its binary digits is odd.

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

The square root of 53506051 is about 7314.7830453131. The cubic root of 53506051 is about 376.8203075763.

Adding to 53506051 its reverse (15060535), we get a palindrome (68566586).

The spelling of 53506051 in words is "fifty-three million, five hundred six thousand, fifty-one".