51433090 has 16 divisors (see below), whose sum is σ = 92926080. Its totient is φ = 20496240.

The previous prime is 51433079. The next prime is 51433091. The reversal of 51433090 is 9033415.

It is not an unprimeable number, because it can be changed into a prime (51433091) 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, 6780 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (5807880).

Almost surely, 2^51433090 is an apocalyptic number.

51433090 is a deficient number, since it is larger than the sum of its proper divisors (41492990).

51433090 is a wasteful number, since it uses less digits than its factorization.

51433090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19257.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 51433090 is about 7171.6866914276. The cubic root of 51433090 is about 371.8897474555.

The spelling of 51433090 in words is "fifty-one million, four hundred thirty-three thousand, ninety".