51153601 has 2 divisors, whose sum is σ = 51153602. Its totient is φ = 51153600.

The previous prime is 51153589. The next prime is 51153667. The reversal of 51153601 is 10635115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31360000 + 19793601 = 5600^2 + 4449^2 .

It is a cyclic number.

It is not a de Polignac number, because 51153601 - 2¹⁵ = 51120833 is a prime.

It is not a weakly prime, because it can be changed into another prime (51153671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25576800 + 25576801.

It is an arithmetic number, because the mean of its divisors is an integer number (25576801).

Almost surely, 2^51153601 is an apocalyptic number.

It is an amenable number.

51153601 is a deficient number, since it is larger than the sum of its proper divisors (1).

51153601 is an equidigital number, since it uses as much as digits as its factorization.

51153601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 51153601 is about 7152.1745644244. The cubic root of 51153601 is about 371.2149034756.

Adding to 51153601 its reverse (10635115), we get a palindrome (61788716).

The spelling of 51153601 in words is "fifty-one million, one hundred fifty-three thousand, six hundred one".