51479760 has 40 divisors (see below), whose sum is σ = 159588000. Its totient is φ = 13727872.

The previous prime is 51479737. The next prime is 51479767. The reversal of 51479760 is 6797415.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51479767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107010 + ... + 107489.

It is an arithmetic number, because the mean of its divisors is an integer number (3989700).

Almost surely, 2^51479760 is an apocalyptic number.

It is an amenable number.

51479760 is an abundant number, since it is smaller than the sum of its proper divisors (108108240).

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

51479760 is a wasteful number, since it uses less digits than its factorization.

51479760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214515 (or 214509 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 51479760 is about 7174.9397210011. The cubic root of 51479760 is about 372.0021967728.

The spelling of 51479760 in words is "fifty-one million, four hundred seventy-nine thousand, seven hundred sixty".