51433402 has 16 divisors (see below), whose sum is σ = 80393472. Its totient is φ = 24651360.

The previous prime is 51433379. The next prime is 51433423. The reversal of 51433402 is 20433415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2758 + ... + 10510.

It is an arithmetic number, because the mean of its divisors is an integer number (5024592).

Almost surely, 2^51433402 is an apocalyptic number.

51433402 is a deficient number, since it is larger than the sum of its proper divisors (28960070).

51433402 is a wasteful number, since it uses less digits than its factorization.

51433402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 51433402 is about 7171.7084435998. The cubic root of 51433402 is about 371.8904994317.

Adding to 51433402 its reverse (20433415), we get a palindrome (71866817).

The spelling of 51433402 in words is "fifty-one million, four hundred thirty-three thousand, four hundred two".