51466151 has 4 divisors (see below), whose sum is σ = 56144904. Its totient is φ = 46787400.

The previous prime is 51466139. The next prime is 51466187. The reversal of 51466151 is 15166415.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51466151 - 2⁶ = 51466087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51466351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339360 + ... + 2339381.

It is an arithmetic number, because the mean of its divisors is an integer number (14036226).

Almost surely, 2^51466151 is an apocalyptic number.

51466151 is a deficient number, since it is larger than the sum of its proper divisors (4678753).

51466151 is a wasteful number, since it uses less digits than its factorization.

51466151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678752.

The product of its digits is 3600, while the sum is 29.

The square root of 51466151 is about 7173.9912879791. The cubic root of 51466151 is about 371.9694135063.

The spelling of 51466151 in words is "fifty-one million, four hundred sixty-six thousand, one hundred fifty-one".