51432411 has 16 divisors (see below), whose sum is σ = 72343040. Its totient is φ = 32412960.

The previous prime is 51432391. The next prime is 51432431. The reversal of 51432411 is 11423415.

It is an interprime number because it is at equal distance from previous prime (51432391) and next prime (51432431).

It is not a de Polignac number, because 51432411 - 2¹¹ = 51430363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51432431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41166 + ... + 42396.

It is an arithmetic number, because the mean of its divisors is an integer number (4521440).

Almost surely, 2^51432411 is an apocalyptic number.

51432411 is a deficient number, since it is larger than the sum of its proper divisors (20910629).

51432411 is a wasteful number, since it uses less digits than its factorization.

51432411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986.

The product of its digits is 480, while the sum is 21.

The square root of 51432411 is about 7171.6393523378. The cubic root of 51432411 is about 371.8881109329. Note that the first 3 decimals are identical.

Adding to 51432411 its reverse (11423415), we get a palindrome (62855826).

The spelling of 51432411 in words is "fifty-one million, four hundred thirty-two thousand, four hundred eleven".