51167270 has 72 divisors (see below), whose sum is σ = 117899712. Its totient is φ = 15929760.

The previous prime is 51167269. The next prime is 51167279. The reversal of 51167270 is 7276115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51167279) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58859 + ... + 59721.

It is an arithmetic number, because the mean of its divisors is an integer number (1637496).

Almost surely, 2^51167270 is an apocalyptic number.

51167270 is an abundant number, since it is smaller than the sum of its proper divisors (66732442).

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

51167270 is a wasteful number, since it uses less digits than its factorization.

51167270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 51167270 is about 7153.1300840961. The cubic root of 51167270 is about 371.2479652380.

The spelling of 51167270 in words is "fifty-one million, one hundred sixty-seven thousand, two hundred seventy".