51464441 has 4 divisors (see below), whose sum is σ = 58816512. Its totient is φ = 44112372.

The previous prime is 51464429. The next prime is 51464453. The reversal of 51464441 is 14446415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (51464429) and next prime (51464453).

It is a cyclic number.

It is not a de Polignac number, because 51464441 - 2¹⁰ = 51463417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51464401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3676025 + ... + 3676038.

It is an arithmetic number, because the mean of its divisors is an integer number (14704128).

Almost surely, 2^51464441 is an apocalyptic number.

It is an amenable number.

51464441 is a deficient number, since it is larger than the sum of its proper divisors (7352071).

51464441 is an equidigital number, since it uses as much as digits as its factorization.

51464441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352070.

The product of its digits is 7680, while the sum is 29.

The square root of 51464441 is about 7173.8721064708. The cubic root of 51464441 is about 371.9652938100.

The spelling of 51464441 in words is "fifty-one million, four hundred sixty-four thousand, four hundred forty-one".