51053811 has 8 divisors (see below), whose sum is σ = 68129424. Its totient is φ = 34007040.

The previous prime is 51053809. The next prime is 51053819. The reversal of 51053811 is 11835015.

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

It is not a de Polignac number, because 51053811 - 2¹ = 51053809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51053819) 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, 2670 + ... + 10451.

It is an arithmetic number, because the mean of its divisors is an integer number (8516178).

Almost surely, 2^51053811 is an apocalyptic number.

51053811 is a deficient number, since it is larger than the sum of its proper divisors (17075613).

51053811 is a wasteful number, since it uses less digits than its factorization.

51053811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14421.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 51053811 is about 7145.1949588517. The cubic root of 51053811 is about 370.9733587377.

Adding to 51053811 its reverse (11835015), we get a palindrome (62888826).

Subtracting from 51053811 its reverse (11835015), we obtain a triangular number (39218796 = T₈₈₅₆).

The spelling of 51053811 in words is "fifty-one million, fifty-three thousand, eight hundred eleven".