51151056 has 60 divisors (see below), whose sum is σ = 145261536. Its totient is φ = 15498560.

The previous prime is 51151049. The next prime is 51151063. The reversal of 51151056 is 65015115.

It is an interprime number because it is at equal distance from previous prime (51151049) and next prime (51151063).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1405 + ... + 10211.

Almost surely, 2^51151056 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 51151056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72630768).

51151056 is an abundant number, since it is smaller than the sum of its proper divisors (94110480).

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

51151056 is a wasteful number, since it uses less digits than its factorization.

51151056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8840 (or 8823 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 51151056 is about 7151.9966442945. The cubic root of 51151056 is about 371.2087471309.

It can be divided in two parts, 511510 and 56, that added together give a triangular number (511566 = T₁₀₁₁).

The spelling of 51151056 in words is "fifty-one million, one hundred fifty-one thousand, fifty-six".