51677371 has 2 divisors, whose sum is σ = 51677372. Its totient is φ = 51677370.

The previous prime is 51677363. The next prime is 51677383. The reversal of 51677371 is 17377615.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51677371 - 2³ = 51677363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51677371.

It is not a weakly prime, because it can be changed into another prime (51677071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25838685 + 25838686.

It is an arithmetic number, because the mean of its divisors is an integer number (25838686).

Almost surely, 2^51677371 is an apocalyptic number.

51677371 is a deficient number, since it is larger than the sum of its proper divisors (1).

51677371 is an equidigital number, since it uses as much as digits as its factorization.

51677371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30870, while the sum is 37.

The square root of 51677371 is about 7188.6974480778. The cubic root of 51677371 is about 372.4775801410.

The spelling of 51677371 in words is "fifty-one million, six hundred seventy-seven thousand, three hundred seventy-one".