51412487 has 8 divisors (see below), whose sum is σ = 58915200. Its totient is φ = 43949304.

The previous prime is 51412481. The next prime is 51412519. The reversal of 51412487 is 78421415.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51412487 - 2¹⁶ = 51346951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51412481) 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, 7037 + ... + 12342.

It is an arithmetic number, because the mean of its divisors is an integer number (7364400).

Almost surely, 2^51412487 is an apocalyptic number.

51412487 is a deficient number, since it is larger than the sum of its proper divisors (7502713).

51412487 is a wasteful number, since it uses less digits than its factorization.

51412487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19765.

The product of its digits is 8960, while the sum is 32.

The square root of 51412487 is about 7170.2501351069. The cubic root of 51412487 is about 371.8400837872.

The spelling of 51412487 in words is "fifty-one million, four hundred twelve thousand, four hundred eighty-seven".