51023061 has 8 divisors (see below), whose sum is σ = 75589760. Its totient is φ = 34015356.

The previous prime is 51023053. The next prime is 51023081. The reversal of 51023061 is 16032015.

It is not a de Polignac number, because 51023061 - 2³ = 51023053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51023081) 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, 944845 + ... + 944898.

It is an arithmetic number, because the mean of its divisors is an integer number (9448720).

Almost surely, 2^51023061 is an apocalyptic number.

It is an amenable number.

51023061 is a deficient number, since it is larger than the sum of its proper divisors (24566699).

51023061 is a wasteful number, since it uses less digits than its factorization.

51023061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889752 (or 1889746 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 51023061 is about 7143.0428390148. The cubic root of 51023061 is about 370.8988639933.

Adding to 51023061 its reverse (16032015), we get a palindrome (67055076).

The spelling of 51023061 in words is "fifty-one million, twenty-three thousand, sixty-one".