51377073 has 8 divisors (see below), whose sum is σ = 74730336. Its totient is φ = 31137600.

The previous prime is 51377071. The next prime is 51377089. The reversal of 51377073 is 37077315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51377073 - 2¹ = 51377071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1556881 = 51377073 / (5 + 1 + 3 + 7 + 7 + 0 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (51377071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778408 + ... + 778473.

It is an arithmetic number, because the mean of its divisors is an integer number (9341292).

Almost surely, 2^51377073 is an apocalyptic number.

It is an amenable number.

51377073 is a deficient number, since it is larger than the sum of its proper divisors (23353263).

51377073 is a wasteful number, since it uses less digits than its factorization.

51377073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556895.

The product of its (nonzero) digits is 15435, while the sum is 33.

The square root of 51377073 is about 7167.7802003131. The cubic root of 51377073 is about 371.7546870921.

The spelling of 51377073 in words is "fifty-one million, three hundred seventy-seven thousand, seventy-three".