51899674 has 16 divisors (see below), whose sum is σ = 83662848. Its totient is φ = 24057792.

The previous prime is 51899671. The next prime is 51899677. The reversal of 51899674 is 47699815.

It is an interprime number because it is at equal distance from previous prime (51899671) and next prime (51899677).

It is a super-2 number, since 2×51899674² = 5387152322612552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51899671) 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, 9114 + ... + 13669.

It is an arithmetic number, because the mean of its divisors is an integer number (5228928).

Almost surely, 2^51899674 is an apocalyptic number.

51899674 is a deficient number, since it is larger than the sum of its proper divisors (31763174).

51899674 is a wasteful number, since it uses less digits than its factorization.

51899674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22869.

The product of its digits is 544320, while the sum is 49.

The square root of 51899674 is about 7204.1428358966. The cubic root of 51899674 is about 373.0109176055.

The spelling of 51899674 in words is "fifty-one million, eight hundred ninety-nine thousand, six hundred seventy-four".