51617802 has 32 divisors (see below), whose sum is σ = 107458560. Its totient is φ = 16516080.

The previous prime is 51617801. The next prime is 51617809. The reversal of 51617802 is 20871615.

It is a super-2 number, since 2×51617802² = 5328794966622408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51617802.

It is not an unprimeable number, because it can be changed into a prime (51617801) 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, 13527 + ... + 16917.

It is an arithmetic number, because the mean of its divisors is an integer number (3358080).

Almost surely, 2^51617802 is an apocalyptic number.

51617802 is an abundant number, since it is smaller than the sum of its proper divisors (55840758).

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

51617802 is a wasteful number, since it uses less digits than its factorization.

51617802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 51617802 is about 7184.5530132361. The cubic root of 51617802 is about 372.3344056238.

The spelling of 51617802 in words is "fifty-one million, six hundred seventeen thousand, eight hundred two".