51260608 has 56 divisors (see below), whose sum is σ = 120034304. Its totient is φ = 21254400.

The previous prime is 51260591. The next prime is 51260621. The reversal of 51260608 is 80606215.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12043 + ... + 15733.

Almost surely, 2^51260608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51260608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60017152).

51260608 is an abundant number, since it is smaller than the sum of its proper divisors (68773696).

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

51260608 is a wasteful number, since it uses less digits than its factorization.

51260608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 51260608 is about 7159.6513881613. The cubic root of 51260608 is about 371.4735684004.

The spelling of 51260608 in words is "fifty-one million, two hundred sixty thousand, six hundred eight".