51461610 has 16 divisors (see below), whose sum is σ = 123507936. Its totient is φ = 13723088.

The previous prime is 51461593. The next prime is 51461611. The reversal of 51461610 is 1616415.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51461611) 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, 857664 + ... + 857723.

It is an arithmetic number, because the mean of its divisors is an integer number (7719246).

Almost surely, 2^51461610 is an apocalyptic number.

51461610 is an abundant number, since it is smaller than the sum of its proper divisors (72046326).

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

51461610 is a wasteful number, since it uses less digits than its factorization.

51461610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715397.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 51461610 is about 7173.6747905101. The cubic root of 51461610 is about 371.9584732232.

The spelling of 51461610 in words is "fifty-one million, four hundred sixty-one thousand, six hundred ten".