51356151 has 36 divisors (see below), whose sum is σ = 93200016. Its totient is φ = 26674560.

The previous prime is 51356143. The next prime is 51356153. The reversal of 51356151 is 15165315.

51356151 is a `hidden beast` number, since 51 + 3 + 561 + 51 = 666.

It is not a de Polignac number, because 51356151 - 2³ = 51356143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51356153) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4255 + ... + 10991.

Almost surely, 2^51356151 is an apocalyptic number.

51356151 is a deficient number, since it is larger than the sum of its proper divisors (41843865).

51356151 is a wasteful number, since it uses less digits than its factorization.

51356151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772 (or 6758 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 51356151 is about 7166.3206040478. The cubic root of 51356151 is about 371.7042177087.

The spelling of 51356151 in words is "fifty-one million, three hundred fifty-six thousand, one hundred fifty-one".