51148741 has 8 divisors (see below), whose sum is σ = 61532480. Its totient is φ = 41534208.

The previous prime is 51148697. The next prime is 51148751. The reversal of 51148741 is 14784115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51148741 - 2¹⁵ = 51115973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51148751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192156 + ... + 192421.

It is an arithmetic number, because the mean of its divisors is an integer number (7691560).

Almost surely, 2^51148741 is an apocalyptic number.

It is an amenable number.

51148741 is a deficient number, since it is larger than the sum of its proper divisors (10383739).

51148741 is a wasteful number, since it uses less digits than its factorization.

51148741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384603.

The product of its digits is 4480, while the sum is 31.

The square root of 51148741 is about 7151.8347995462. The cubic root of 51148741 is about 371.2031469779.

The spelling of 51148741 in words is "fifty-one million, one hundred forty-eight thousand, seven hundred forty-one".