51472748 has 24 divisors (see below), whose sum is σ = 95121600. Its totient is φ = 24303888.

The previous prime is 51472739. The next prime is 51472769. The reversal of 51472748 is 84727415.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27911 + ... + 29697.

It is an arithmetic number, because the mean of its divisors is an integer number (3963400).

Almost surely, 2^51472748 is an apocalyptic number.

It is an amenable number.

51472748 is a deficient number, since it is larger than the sum of its proper divisors (43648852).

51472748 is a wasteful number, since it uses less digits than its factorization.

51472748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2187 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 51472748 is about 7174.4510591403. The cubic root of 51472748 is about 371.9853060061.

The spelling of 51472748 in words is "fifty-one million, four hundred seventy-two thousand, seven hundred forty-eight".