51055377 has 24 divisors (see below), whose sum is σ = 72624384. Its totient is φ = 31890144.

The previous prime is 51055351. The next prime is 51055387. The reversal of 51055377 is 77355015.

It is not a de Polignac number, because 51055377 - 2⁶ = 51055313 is a prime.

It is a super-2 number, since 2×51055377² = 5213303041224258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83808 + ... + 84414.

It is an arithmetic number, because the mean of its divisors is an integer number (3026016).

Almost surely, 2^51055377 is an apocalyptic number.

It is an amenable number.

51055377 is a deficient number, since it is larger than the sum of its proper divisors (21569007).

51055377 is a wasteful number, since it uses less digits than its factorization.

51055377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 51055377 is about 7145.3045421451. The cubic root of 51055377 is about 370.9771517183.

The spelling of 51055377 in words is "fifty-one million, fifty-five thousand, three hundred seventy-seven".