51650974 has 16 divisors (see below), whose sum is σ = 78287040. Its totient is φ = 25557120.

The previous prime is 51650971. The next prime is 51650993. The reversal of 51650974 is 47905615.

51650974 = T₂₈₄ + T₂₈₅ + ... + T₆₉₂.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51650971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126082 + ... + 126490.

It is an arithmetic number, because the mean of its divisors is an integer number (4892940).

Almost surely, 2^51650974 is an apocalyptic number.

51650974 is a deficient number, since it is larger than the sum of its proper divisors (26636066).

51650974 is a wasteful number, since it uses less digits than its factorization.

51650974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 51650974 is about 7186.8612063960. The cubic root of 51650974 is about 372.4141483455.

The spelling of 51650974 in words is "fifty-one million, six hundred fifty thousand, nine hundred seventy-four".