51772002 has 16 divisors (see below), whose sum is σ = 103915872. Its totient is φ = 17195360.

The previous prime is 51772001. The next prime is 51772003. The reversal of 51772002 is 20027715.

It is an interprime number because it is at equal distance from previous prime (51772001) and next prime (51772003).

It is not an unprimeable number, because it can be changed into a prime (51772001) 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, 13668 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (6494742).

Almost surely, 2^51772002 is an apocalyptic number.

51772002 is an abundant number, since it is smaller than the sum of its proper divisors (52143870).

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

51772002 is a wasteful number, since it uses less digits than its factorization.

51772002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30993.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 51772002 is about 7195.2763671731. The cubic root of 51772002 is about 372.7048003721.

Adding to 51772002 its reverse (20027715), we get a palindrome (71799717).

The spelling of 51772002 in words is "fifty-one million, seven hundred seventy-two thousand, two".