51476486 has 4 divisors (see below), whose sum is σ = 77214732. Its totient is φ = 25738242.

The previous prime is 51476483. The next prime is 51476489. The reversal of 51476486 is 68467415.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (51476483) and next prime (51476489).

It is a super-2 number, since 2×51476486² = 5299657221816392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51476483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12869120 + ... + 12869123.

It is an arithmetic number, because the mean of its divisors is an integer number (19303683).

Almost surely, 2^51476486 is an apocalyptic number.

51476486 is a deficient number, since it is larger than the sum of its proper divisors (25738246).

51476486 is a wasteful number, since it uses less digits than its factorization.

51476486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25738245.

The product of its digits is 161280, while the sum is 41.

The square root of 51476486 is about 7174.7115621466. The cubic root of 51476486 is about 371.9943104306.

The spelling of 51476486 in words is "fifty-one million, four hundred seventy-six thousand, four hundred eighty-six".