51354629 has 4 divisors (see below), whose sum is σ = 52121184. Its totient is φ = 50588076.

The previous prime is 51354623. The next prime is 51354643. The reversal of 51354629 is 92645315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51354629 - 2¹⁶ = 51289093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51354623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383177 + ... + 383310.

It is an arithmetic number, because the mean of its divisors is an integer number (13030296).

Almost surely, 2^51354629 is an apocalyptic number.

It is an amenable number.

51354629 is a deficient number, since it is larger than the sum of its proper divisors (766555).

51354629 is an equidigital number, since it uses as much as digits as its factorization.

51354629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766554.

The product of its digits is 32400, while the sum is 35.

The square root of 51354629 is about 7166.2144120868. The cubic root of 51354629 is about 371.7005457084.

The spelling of 51354629 in words is "fifty-one million, three hundred fifty-four thousand, six hundred twenty-nine".