51474120 has 32 divisors (see below), whose sum is σ = 154422720. Its totient is φ = 13726400.

The previous prime is 51474119. The next prime is 51474121. The reversal of 51474120 is 2147415.

It is an interprime number because it is at equal distance from previous prime (51474119) and next prime (51474121).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (51474121) 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, 214356 + ... + 214595.

It is an arithmetic number, because the mean of its divisors is an integer number (4825710).

Almost surely, 2^51474120 is an apocalyptic number.

It is an amenable number.

51474120 is an abundant number, since it is smaller than the sum of its proper divisors (102948600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51474120 is a wasteful number, since it uses less digits than its factorization.

51474120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428965 (or 428961 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 51474120 is about 7174.5466755747. The cubic root of 51474120 is about 371.9886110515.

The spelling of 51474120 in words is "fifty-one million, four hundred seventy-four thousand, one hundred twenty".