51623414 has 4 divisors (see below), whose sum is σ = 77435124. Its totient is φ = 25811706.

The previous prime is 51623413. The next prime is 51623417. The reversal of 51623414 is 41432615.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51623413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12905852 + ... + 12905855.

It is an arithmetic number, because the mean of its divisors is an integer number (19358781).

Almost surely, 2^51623414 is an apocalyptic number.

51623414 is a deficient number, since it is larger than the sum of its proper divisors (25811710).

51623414 is a wasteful number, since it uses less digits than its factorization.

51623414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25811709.

The product of its digits is 2880, while the sum is 26.

The square root of 51623414 is about 7184.9435627568. The cubic root of 51623414 is about 372.3478988043.

The spelling of 51623414 in words is "fifty-one million, six hundred twenty-three thousand, four hundred fourteen".