51458964 has 24 divisors (see below), whose sum is σ = 120234240. Its totient is φ = 17129664.

The previous prime is 51458959. The next prime is 51458969. The reversal of 51458964 is 46985415.

It is an interprime number because it is at equal distance from previous prime (51458959) and next prime (51458969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51458969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7872 + ... + 12840.

It is an arithmetic number, because the mean of its divisors is an integer number (5009760).

Almost surely, 2^51458964 is an apocalyptic number.

It is an amenable number.

51458964 is an abundant number, since it is smaller than the sum of its proper divisors (68775276).

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

51458964 is a wasteful number, since it uses less digits than its factorization.

51458964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5837 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 51458964 is about 7173.4903638327. The cubic root of 51458964 is about 371.9520981215.

The spelling of 51458964 in words is "fifty-one million, four hundred fifty-eight thousand, nine hundred sixty-four".