51602202 has 24 divisors (see below), whose sum is σ = 116666784. Its totient is φ = 16452744.

The previous prime is 51602189. The next prime is 51602219. The reversal of 51602202 is 20220615.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61908 + ... + 62735.

It is an arithmetic number, because the mean of its divisors is an integer number (4861116).

Almost surely, 2^51602202 is an apocalyptic number.

51602202 is an abundant number, since it is smaller than the sum of its proper divisors (65064582).

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

51602202 is a wasteful number, since it uses less digits than its factorization.

51602202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124674 (or 124671 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 51602202 is about 7183.4672686663. The cubic root of 51602202 is about 372.2968927133.

Adding to 51602202 its reverse (20220615), we get a palindrome (71822817).

It can be divided in two parts, 51 and 602202, that added together give a triangular number (602253 = T₁₀₉₇).

The spelling of 51602202 in words is "fifty-one million, six hundred two thousand, two hundred two".