51346988 has 48 divisors (see below), whose sum is σ = 114664704. Its totient is φ = 19535040.

The previous prime is 51346979. The next prime is 51346993. The reversal of 51346988 is 88964315.

It is a super-3 number, since 3×51346988³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11306 + ... + 15182.

It is an arithmetic number, because the mean of its divisors is an integer number (2388848).

Almost surely, 2^51346988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51346988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57332352).

51346988 is an abundant number, since it is smaller than the sum of its proper divisors (63317716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51346988 is a wasteful number, since it uses less digits than its factorization.

51346988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942 (or 3940 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 51346988 is about 7165.6812655881. The cubic root of 51346988 is about 371.6821098192.

The spelling of 51346988 in words is "fifty-one million, three hundred forty-six thousand, nine hundred eighty-eight".