53651929 has 2 divisors, whose sum is σ = 53651930. Its totient is φ = 53651928.

The previous prime is 53651921. The next prime is 53651987. The reversal of 53651929 is 92915635.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53626329 + 25600 = 7323^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 53651929 - 2³ = 53651921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53651891 and 53651900.

It is not a weakly prime, because it can be changed into another prime (53651921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26825964 + 26825965.

It is an arithmetic number, because the mean of its divisors is an integer number (26825965).

Almost surely, 2^53651929 is an apocalyptic number.

It is an amenable number.

53651929 is a deficient number, since it is larger than the sum of its proper divisors (1).

53651929 is an equidigital number, since it uses as much as digits as its factorization.

53651929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 40.

The square root of 53651929 is about 7324.7477089658. The cubic root of 53651929 is about 377.1624490169.

The spelling of 53651929 in words is "fifty-three million, six hundred fifty-one thousand, nine hundred twenty-nine".