51201790 has 32 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 19198464.

The previous prime is 51201779. The next prime is 51201797. The reversal of 51201790 is 9710215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51201797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58899 + ... + 59761.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^51201790 is an apocalyptic number.

51201790 is a deficient number, since it is larger than the sum of its proper divisors (46775810).

51201790 is a wasteful number, since it uses less digits than its factorization.

51201790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 51201790 is about 7155.5426069586. The cubic root of 51201790 is about 371.3314339532.

The spelling of 51201790 in words is "fifty-one million, two hundred one thousand, seven hundred ninety".