51548426 has 4 divisors (see below), whose sum is σ = 77322642. Its totient is φ = 25774212.

The previous prime is 51548423. The next prime is 51548429. The reversal of 51548426 is 62484515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62484515 = 5 ⋅12496903.

It is an interprime number because it is at equal distance from previous prime (51548423) and next prime (51548429).

It can be written as a sum of positive squares in only one way, i.e., 37222201 + 14326225 = 6101^2 + 3785^2 .

It is not an unprimeable number, because it can be changed into a prime (51548423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12887105 + ... + 12887108.

Almost surely, 2^51548426 is an apocalyptic number.

51548426 is a deficient number, since it is larger than the sum of its proper divisors (25774216).

51548426 is a wasteful number, since it uses less digits than its factorization.

51548426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25774215.

The product of its digits is 38400, while the sum is 35.

The square root of 51548426 is about 7179.7232537195. The cubic root of 51548426 is about 372.1675209963.

The spelling of 51548426 in words is "fifty-one million, five hundred forty-eight thousand, four hundred twenty-six".