51166053 has 16 divisors (see below), whose sum is σ = 79098240. Its totient is φ = 32627232.

The previous prime is 51166051. The next prime is 51166067. The reversal of 51166053 is 35066115.

It is a happy number.

51166053 is a `hidden beast` number, since 51 + 1 + 6 + 605 + 3 = 666.

It is not a de Polignac number, because 51166053 - 2¹ = 51166051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40576 + ... + 41817.

It is an arithmetic number, because the mean of its divisors is an integer number (4943640).

Almost surely, 2^51166053 is an apocalyptic number.

It is an amenable number.

51166053 is a deficient number, since it is larger than the sum of its proper divisors (27932187).

51166053 is a wasteful number, since it uses less digits than its factorization.

51166053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82425 (or 82419 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 51166053 is about 7153.0450159355. The cubic root of 51166053 is about 371.2450218698.

It can be divided in two parts, 511 and 66053, that added together give a square (66564 = 258²).

The spelling of 51166053 in words is "fifty-one million, one hundred sixty-six thousand, fifty-three".