51194560 has 56 divisors (see below), whose sum is σ = 122803920. Its totient is φ = 20327424.

The previous prime is 51194557. The next prime is 51194567. The reversal of 51194560 is 6549115.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51194567) 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, 49731 + ... + 50749.

Almost surely, 2^51194560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51194560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61401960).

51194560 is an abundant number, since it is smaller than the sum of its proper divisors (71609360).

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

51194560 is a wasteful number, since it uses less digits than its factorization.

51194560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 51194560 is about 7155.0373863454. The cubic root of 51194560 is about 371.3139550549.

The spelling of 51194560 in words is "fifty-one million, one hundred ninety-four thousand, five hundred sixty".