51548091 has 8 divisors (see below), whose sum is σ = 78549504. Its totient is φ = 29456040.

The previous prime is 51548089. The next prime is 51548093. The reversal of 51548091 is 19084515.

It is an interprime number because it is at equal distance from previous prime (51548089) and next prime (51548093).

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

It is not a de Polignac number, because 51548091 - 2¹ = 51548089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51548093) 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, 1227315 + ... + 1227356.

It is an arithmetic number, because the mean of its divisors is an integer number (9818688).

Almost surely, 2^51548091 is an apocalyptic number.

51548091 is a deficient number, since it is larger than the sum of its proper divisors (27001413).

51548091 is a wasteful number, since it uses less digits than its factorization.

51548091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454681.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 51548091 is about 7179.6999240915. The cubic root of 51548091 is about 372.1667147875.

The spelling of 51548091 in words is "fifty-one million, five hundred forty-eight thousand, ninety-one".