51629360 has 20 divisors (see below), whose sum is σ = 120038448. Its totient is φ = 20651712.

The previous prime is 51629341. The next prime is 51629377. The reversal of 51629360 is 6392615.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322604 + ... + 322763.

Almost surely, 2^51629360 is an apocalyptic number.

It is an amenable number.

51629360 is an abundant number, since it is smaller than the sum of its proper divisors (68409088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51629360 is a wasteful number, since it uses less digits than its factorization.

51629360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645380 (or 645374 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 51629360 is about 7185.3573327984. The cubic root of 51629360 is about 372.3621939690.

It can be divided in two parts, 516 and 29360, that multiplied together give a triangular number (15149760 = T₅₅₀₄).

The spelling of 51629360 in words is "fifty-one million, six hundred twenty-nine thousand, three hundred sixty".